57116438 has 4 divisors (see below), whose sum is σ = 85674660. Its totient is φ = 28558218.

The previous prime is 57116431. The next prime is 57116453. The reversal of 57116438 is 83461175.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 57116398 and 57116407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57116431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14279108 + ... + 14279111.

It is an arithmetic number, because the mean of its divisors is an integer number (21418665).

Almost surely, 2^57116438 is an apocalyptic number.

57116438 is a deficient number, since it is larger than the sum of its proper divisors (28558222).

57116438 is a wasteful number, since it uses less digits than its factorization.

57116438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28558221.

The product of its digits is 20160, while the sum is 35.

The square root of 57116438 is about 7557.5417961133. The cubic root of 57116438 is about 385.1119885607. Note that the first 3 decimals are identical.

The spelling of 57116438 in words is "fifty-seven million, one hundred sixteen thousand, four hundred thirty-eight".