57431128406 has 4 divisors (see below), whose sum is σ = 86146692612. Its totient is φ = 28715564202.

The previous prime is 57431128399. The next prime is 57431128421. The reversal of 57431128406 is 60482113475.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14357782100 + ... + 14357782103.

It is an arithmetic number, because the mean of its divisors is an integer number (21536673153).

Almost surely, 2^57431128406 is an apocalyptic number.

57431128406 is a deficient number, since it is larger than the sum of its proper divisors (28715564206).

57431128406 is a wasteful number, since it uses less digits than its factorization.

57431128406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28715564205.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 57431128406 in words is "fifty-seven billion, four hundred thirty-one million, one hundred twenty-eight thousand, four hundred six".