57642460 has 12 divisors (see below), whose sum is σ = 121049208. Its totient is φ = 23056976.

The previous prime is 57642449. The next prime is 57642509. The reversal of 57642460 is 6424675.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441042 + ... + 1441081.

It is an arithmetic number, because the mean of its divisors is an integer number (10087434).

Almost surely, 2^57642460 is an apocalyptic number.

It is an amenable number.

57642460 is an abundant number, since it is smaller than the sum of its proper divisors (63406748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57642460 is a wasteful number, since it uses less digits than its factorization.

57642460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882132 (or 2882130 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 57642460 is about 7592.2631671986. The cubic root of 57642460 is about 386.2906256253.

The spelling of 57642460 in words is "fifty-seven million, six hundred forty-two thousand, four hundred sixty".