57421273785 has 32 divisors (see below), whose sum is σ = 94072762368. Its totient is φ = 29900149440.

The previous prime is 57421273753. The next prime is 57421273843. The reversal of 57421273785 is 58737212475.

It is not a de Polignac number, because 57421273785 - 2⁵ = 57421273753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152037 + ... + 371426.

It is an arithmetic number, because the mean of its divisors is an integer number (2939773824).

Almost surely, 2^57421273785 is an apocalyptic number.

It is an amenable number.

57421273785 is a deficient number, since it is larger than the sum of its proper divisors (36651488583).

57421273785 is a wasteful number, since it uses less digits than its factorization.

57421273785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523645.

The product of its digits is 3292800, while the sum is 51.

The spelling of 57421273785 in words is "fifty-seven billion, four hundred twenty-one million, two hundred seventy-three thousand, seven hundred eighty-five".