57749992 has 8 divisors (see below), whose sum is σ = 108281250. Its totient is φ = 28874992.

The previous prime is 57749983. The next prime is 57750001. The reversal of 57749992 is 29994775.

It is a happy number.

57749992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57749983) and next prime (57750001).

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 19483396 = 6186^2 + 4414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3609367 + ... + 3609382.

Almost surely, 2^57749992 is an apocalyptic number.

It is an amenable number.

57749992 is a deficient number, since it is larger than the sum of its proper divisors (50531258).

57749992 is a wasteful number, since it uses less digits than its factorization.

57749992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218755 (or 7218751 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 52.

The square root of 57749992 is about 7599.3415504240. The cubic root of 57749992 is about 386.5306847773.

The spelling of 57749992 in words is "fifty-seven million, seven hundred forty-nine thousand, nine hundred ninety-two".