57240058 has 16 divisors (see below), whose sum is σ = 87638976. Its totient is φ = 28032480.

The previous prime is 57240047. The next prime is 57240091. The reversal of 57240058 is 85004275.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21910 + ... + 24382.

It is an arithmetic number, because the mean of its divisors is an integer number (5477436).

Almost surely, 2^57240058 is an apocalyptic number.

57240058 is a deficient number, since it is larger than the sum of its proper divisors (30398918).

57240058 is a wasteful number, since it uses less digits than its factorization.

57240058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 57240058 is about 7565.7159608328. The cubic root of 57240058 is about 385.3896274825.

The spelling of 57240058 in words is "fifty-seven million, two hundred forty thousand, fifty-eight".