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53255251040 = 255332845319
BaseRepresentation
bin110001100110010000…
…101010010001100000
312002110110011001120012
4301212100222101200
51333031321013130
640244244504052
73563500110365
oct614620522140
9162413131505
1053255251040
1120649223372
12a3a30ab028
1350392b4a84
142812bbc46c
1515ba558995
hexc6642a460

53255251040 has 24 divisors (see below), whose sum is σ = 125815530960. Its totient is φ = 21302100352.

The previous prime is 53255251039. The next prime is 53255251057. The reversal of 53255251040 is 4015255235.

It is a super-2 number, since 2×532552510402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 53255250988 and 53255251006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166422500 + ... + 166422819.

It is an arithmetic number, because the mean of its divisors is an integer number (5242313790).

Almost surely, 253255251040 is an apocalyptic number.

It is an amenable number.

53255251040 is an abundant number, since it is smaller than the sum of its proper divisors (72560279920).

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

53255251040 is a wasteful number, since it uses less digits than its factorization.

53255251040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332845334 (or 332845326 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 53255251040 in words is "fifty-three billion, two hundred fifty-five million, two hundred fifty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 332845319 665690638 1331381276 1664226595 2662762552 3328453190 5325525104 6656906380 10651050208 13313812760 26627625520 53255251040