57251756652 has 48 divisors (see below), whose sum is σ = 134201944800. Its totient is φ = 18996323328.

The previous prime is 57251756609. The next prime is 57251756687. The reversal of 57251756652 is 25665715275.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 57251756595 and 57251756604.

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 15 ways as a sum of consecutive naturals, for example, 2471958 + ... + 2495010.

It is an arithmetic number, because the mean of its divisors is an integer number (2795873850).

Almost surely, 2^57251756652 is an apocalyptic number.

It is an amenable number.

57251756652 is an abundant number, since it is smaller than the sum of its proper divisors (76950188148).

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

57251756652 is a wasteful number, since it uses less digits than its factorization.

57251756652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002 (or 24000 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 51.

The spelling of 57251756652 in words is "fifty-seven billion, two hundred fifty-one million, seven hundred fifty-six thousand, six hundred fifty-two".