57931994 has 8 divisors (see below), whose sum is σ = 89701248. Its totient is φ = 28031580.

The previous prime is 57931967. The next prime is 57932029. The reversal of 57931994 is 49913975.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×57931994² = 6712231857632072, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 467132 + ... + 467255.

It is an arithmetic number, because the mean of its divisors is an integer number (11212656).

Almost surely, 2^57931994 is an apocalyptic number.

57931994 is a deficient number, since it is larger than the sum of its proper divisors (31769254).

57931994 is a wasteful number, since it uses less digits than its factorization.

57931994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934420.

The product of its digits is 306180, while the sum is 47.

The square root of 57931994 is about 7611.3069836921. The cubic root of 57931994 is about 386.9363159079.

The spelling of 57931994 in words is "fifty-seven million, nine hundred thirty-one thousand, nine hundred ninety-four".