57001982 has 4 divisors (see below), whose sum is σ = 85502976. Its totient is φ = 28500990.

The previous prime is 57001949. The next prime is 57002039. The reversal of 57001982 is 28910075.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 14250494 + ... + 14250497.

It is an arithmetic number, because the mean of its divisors is an integer number (21375744).

Almost surely, 2^57001982 is an apocalyptic number.

57001982 is a deficient number, since it is larger than the sum of its proper divisors (28500994).

57001982 is a wasteful number, since it uses less digits than its factorization.

57001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28500993.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 57001982 is about 7549.9656952863. The cubic root of 57001982 is about 384.8545737364.

The spelling of 57001982 in words is "fifty-seven million, one thousand, nine hundred eighty-two".