57507382 has 4 divisors (see below), whose sum is σ = 86261076. Its totient is φ = 28753690.

The previous prime is 57507371. The next prime is 57507391. The reversal of 57507382 is 28370575.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376844 + ... + 14376847.

It is an arithmetic number, because the mean of its divisors is an integer number (21565269).

Almost surely, 2^57507382 is an apocalyptic number.

57507382 is a deficient number, since it is larger than the sum of its proper divisors (28753694).

57507382 is a wasteful number, since it uses less digits than its factorization.

57507382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28753693.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 57507382 is about 7583.3621830953. The cubic root of 57507382 is about 385.9886481310.

The spelling of 57507382 in words is "fifty-seven million, five hundred seven thousand, three hundred eighty-two".