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53439354592 = 2513128459987
BaseRepresentation
bin110001110001001110…
…111101011011100000
312002221021120111011021
4301301032331123200
51333420433321332
640314422455224
73601164006421
oct616116753340
9162837514137
1053439354592
1120733139068
12a434894514
1350684946a0
14282d423648
1515cb7c2c97
hexc713bd6e0

53439354592 has 24 divisors (see below), whose sum is σ = 113301709416. Its totient is φ = 24664317312.

The previous prime is 53439354587. The next prime is 53439354611. The reversal of 53439354592 is 29545393435.

It is a super-2 number, since 2×534393545922 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64229578 + ... + 64230409.

It is an arithmetic number, because the mean of its divisors is an integer number (4720904559).

Almost surely, 253439354592 is an apocalyptic number.

53439354592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53439354592 is an abundant number, since it is smaller than the sum of its proper divisors (59862354824).

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

53439354592 is a wasteful number, since it uses less digits than its factorization.

53439354592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128460010 (or 128460002 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 52.

The spelling of 53439354592 in words is "fifty-three billion, four hundred thirty-nine million, three hundred fifty-four thousand, five hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 128459987 256919974 513839948 1027679896 1669979831 2055359792 3339959662 4110719584 6679919324 13359838648 26719677296 53439354592