57042398 has 16 divisors (see below), whose sum is σ = 100173024. Its totient is φ = 23850240.

The previous prime is 57042383. The next prime is 57042407. The reversal of 57042398 is 89324075.

It is a congruent number.

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, 49115 + ... + 50262.

It is an arithmetic number, because the mean of its divisors is an integer number (6260814).

Almost surely, 2^57042398 is an apocalyptic number.

57042398 is a deficient number, since it is larger than the sum of its proper divisors (43130626).

57042398 is a wasteful number, since it uses less digits than its factorization.

57042398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99427.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 57042398 is about 7552.6417894668. The cubic root of 57042398 is about 384.9455098010.

The spelling of 57042398 in words is "fifty-seven million, forty-two thousand, three hundred ninety-eight".