55752857732 has 24 divisors (see below), whose sum is σ = 114624757632. Its totient is φ = 23392807200.

The previous prime is 55752857723. The next prime is 55752857737. The reversal of 55752857732 is 23775825755.

It is a super-2 number, since 2×55752857732² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55752857737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48734444 + ... + 48735587.

It is an arithmetic number, because the mean of its divisors is an integer number (4776031568).

Almost surely, 2^55752857732 is an apocalyptic number.

55752857732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55752857732 is an abundant number, since it is smaller than the sum of its proper divisors (58871899900).

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

55752857732 is a wasteful number, since it uses less digits than its factorization.

55752857732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97470059 (or 97470057 counting only the distinct ones).

The product of its digits is 20580000, while the sum is 56.

The spelling of 55752857732 in words is "fifty-five billion, seven hundred fifty-two million, eight hundred fifty-seven thousand, seven hundred thirty-two".