57871238 has 4 divisors (see below), whose sum is σ = 86806860. Its totient is φ = 28935618.

The previous prime is 57871217. The next prime is 57871259. The reversal of 57871238 is 83217875.

57871238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (57871217) and next prime (57871259).

It is a junction number, because it is equal to n+sod(n) for n = 57871195 and 57871204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14467808 + ... + 14467811.

It is an arithmetic number, because the mean of its divisors is an integer number (21701715).

Almost surely, 2^57871238 is an apocalyptic number.

57871238 is a deficient number, since it is larger than the sum of its proper divisors (28935622).

57871238 is a wasteful number, since it uses less digits than its factorization.

57871238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28935621.

The product of its digits is 94080, while the sum is 41.

The square root of 57871238 is about 7607.3147693519. The cubic root of 57871238 is about 386.8010025045.

The spelling of 57871238 in words is "fifty-seven million, eight hundred seventy-one thousand, two hundred thirty-eight".