57120589657 has 4 divisors (see below), whose sum is σ = 57168712656. Its totient is φ = 57072466660.

The previous prime is 57120589651. The next prime is 57120589667. The reversal of 57120589657 is 75698502175.

57120589657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57120589657 - 2³¹ = 54973106009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57120589598 and 57120589607.

It is not an unprimeable number, because it can be changed into a prime (57120589651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24059719 + ... + 24062092.

It is an arithmetic number, because the mean of its divisors is an integer number (14292178164).

Almost surely, 2^57120589657 is an apocalyptic number.

It is an amenable number.

57120589657 is a deficient number, since it is larger than the sum of its proper divisors (48122999).

57120589657 is a wasteful number, since it uses less digits than its factorization.

57120589657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48122998.

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 57120589657 in words is "fifty-seven billion, one hundred twenty million, five hundred eighty-nine thousand, six hundred fifty-seven".