57642554 has 8 divisors (see below), whose sum is σ = 90223200. Its totient is φ = 27568156.

The previous prime is 57642553. The next prime is 57642581. The reversal of 57642554 is 45524675.

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

It is not an unprimeable number, because it can be changed into a prime (57642551) 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, 626504 + ... + 626595.

It is an arithmetic number, because the mean of its divisors is an integer number (11277900).

Almost surely, 2^57642554 is an apocalyptic number.

57642554 is a deficient number, since it is larger than the sum of its proper divisors (32580646).

57642554 is a wasteful number, since it uses less digits than its factorization.

57642554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253124.

The product of its digits is 168000, while the sum is 38.

The square root of 57642554 is about 7592.2693577085. The cubic root of 57642554 is about 386.2908356054.

The spelling of 57642554 in words is "fifty-seven million, six hundred forty-two thousand, five hundred fifty-four".