57416656321 has 8 divisors (see below), whose sum is σ = 58379466600. Its totient is φ = 56454541440.

The previous prime is 57416656309. The next prime is 57416656327. The reversal of 57416656321 is 12365661475.

57416656321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6199987600 + 51216668721 = 78740^2 + 226311^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57416656321 - 2²³ = 57408267713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57416656327) 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, 5986 + ... + 338923.

It is an arithmetic number, because the mean of its divisors is an integer number (7297433325).

Almost surely, 2^57416656321 is an apocalyptic number.

It is an amenable number.

57416656321 is a deficient number, since it is larger than the sum of its proper divisors (962810279).

57416656321 is a wasteful number, since it uses less digits than its factorization.

57416656321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347699.

The product of its digits is 907200, while the sum is 46.

The spelling of 57416656321 in words is "fifty-seven billion, four hundred sixteen million, six hundred fifty-six thousand, three hundred twenty-one".