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52909459456 = 21173690671
BaseRepresentation
bin110001010001101001…
…100100100000000000
312001120100111000200111
4301101221210200000
51331324310200311
640150053201104
73552100661560
oct612151444000
9161510430614
1052909459456
1120491012aa7
12a307330194
134cb2773279
1427bccc8da0
15159a001d21
hexc51a64800

52909459456 has 48 divisors (see below), whose sum is σ = 120906414720. Its totient is φ = 22675476480.

The previous prime is 52909459439. The next prime is 52909459457. The reversal of 52909459456 is 65495490925.

It is a super-2 number, since 2×529094594562 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52909459456.

It is not an unprimeable number, because it can be changed into a prime (52909459457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1831000 + ... + 1859671.

It is an arithmetic number, because the mean of its divisors is an integer number (2518883640).

Almost surely, 252909459456 is an apocalyptic number.

52909459456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52909459456 is an abundant number, since it is smaller than the sum of its proper divisors (67996955264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52909459456 is an equidigital number, since it uses as much as digits as its factorization.

52909459456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690700 (or 3690680 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 58.

The spelling of 52909459456 in words is "fifty-two billion, nine hundred nine million, four hundred fifty-nine thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1792 2048 3584 7168 14336 3690671 7381342 14762684 25834697 29525368 51669394 59050736 103338788 118101472 206677576 236202944 413355152 472405888 826710304 944811776 1653420608 1889623552 3306841216 3779247104 6613682432 7558494208 13227364864 26454729728 52909459456