57749492 has 6 divisors (see below), whose sum is σ = 101061618. Its totient is φ = 28874744.

The previous prime is 57749453. The next prime is 57749501. The reversal of 57749492 is 29494775.

It can be written as a sum of positive squares in only one way, i.e., 57668836 + 80656 = 7594^2 + 284^2 .

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, 7218683 + ... + 7218690.

It is an arithmetic number, because the mean of its divisors is an integer number (16843603).

Almost surely, 2^57749492 is an apocalyptic number.

It is an amenable number.

57749492 is a deficient number, since it is larger than the sum of its proper divisors (43312126).

57749492 is a wasteful number, since it uses less digits than its factorization.

57749492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437377 (or 14437375 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 57749492 is about 7599.3086527657. The cubic root of 57749492 is about 386.5295692453.

The spelling of 57749492 in words is "fifty-seven million, seven hundred forty-nine thousand, four hundred ninety-two".