57338978 has 8 divisors (see below), whose sum is σ = 86050668. Its totient is φ = 28655424.

The previous prime is 57338971. The next prime is 57338987. The reversal of 57338978 is 87983375.

It can be written as a sum of positive squares in 2 ways, for example, as 48260809 + 9078169 = 6947^2 + 3013^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57338971) 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, 851 + ... + 10742.

Almost surely, 2^57338978 is an apocalyptic number.

57338978 is a deficient number, since it is larger than the sum of its proper divisors (28711690).

57338978 is a wasteful number, since it uses less digits than its factorization.

57338978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14068.

The product of its digits is 1270080, while the sum is 50.

The square root of 57338978 is about 7572.2505241176. The cubic root of 57338978 is about 385.6115047459.

The spelling of 57338978 in words is "fifty-seven million, three hundred thirty-eight thousand, nine hundred seventy-eight".