57791542 has 4 divisors (see below), whose sum is σ = 86687316. Its totient is φ = 28895770.

The previous prime is 57791507. The next prime is 57791561. The reversal of 57791542 is 24519775.

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 = 57791495 and 57791504.

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, 14447884 + ... + 14447887.

It is an arithmetic number, because the mean of its divisors is an integer number (21671829).

Almost surely, 2^57791542 is an apocalyptic number.

57791542 is a deficient number, since it is larger than the sum of its proper divisors (28895774).

57791542 is a wasteful number, since it uses less digits than its factorization.

57791542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28895773.

The product of its digits is 88200, while the sum is 40.

The square root of 57791542 is about 7602.0748483555. The cubic root of 57791542 is about 386.6233629996.

The spelling of 57791542 in words is "fifty-seven million, seven hundred ninety-one thousand, five hundred forty-two".