57251071945 has 8 divisors (see below), whose sum is σ = 68702598720. Its totient is φ = 45799982640.

The previous prime is 57251071903. The next prime is 57251071967. The reversal of 57251071945 is 54917015275.

57251071945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-57251071945 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57251071895 and 57251071904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367876 + ... + 499834.

It is an arithmetic number, because the mean of its divisors is an integer number (8587824840).

Almost surely, 2^57251071945 is an apocalyptic number.

It is an amenable number.

57251071945 is a deficient number, since it is larger than the sum of its proper divisors (11451526775).

57251071945 is a wasteful number, since it uses less digits than its factorization.

57251071945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218735.

The product of its (nonzero) digits is 441000, while the sum is 46.

The spelling of 57251071945 in words is "fifty-seven billion, two hundred fifty-one million, seventy-one thousand, nine hundred forty-five".