57988142 has 4 divisors (see below), whose sum is σ = 86982216. Its totient is φ = 28994070.

The previous prime is 57988121. The next prime is 57988157. The reversal of 57988142 is 24188975.

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

It is a super-2 number, since 2×57988142² = 6725249225224328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57988093 and 57988102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14497034 + ... + 14497037.

It is an arithmetic number, because the mean of its divisors is an integer number (21745554).

Almost surely, 2^57988142 is an apocalyptic number.

57988142 is a deficient number, since it is larger than the sum of its proper divisors (28994074).

57988142 is a wasteful number, since it uses less digits than its factorization.

57988142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28994073.

The product of its digits is 161280, while the sum is 44.

The square root of 57988142 is about 7614.9945502279. The cubic root of 57988142 is about 387.0612824630.

The spelling of 57988142 in words is "fifty-seven million, nine hundred eighty-eight thousand, one hundred forty-two".