57749052 has 12 divisors (see below), whose sum is σ = 134747816. Its totient is φ = 19249680.

The previous prime is 57748997. The next prime is 57749053. The reversal of 57749052 is 25094775.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 57749052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57749053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406199 + ... + 2406222.

Almost surely, 2^57749052 is an apocalyptic number.

It is an amenable number.

57749052 is an abundant number, since it is smaller than the sum of its proper divisors (76998764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57749052 is a wasteful number, since it uses less digits than its factorization.

57749052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812428 (or 4812426 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 57749052 is about 7599.2797027087. The cubic root of 57749052 is about 386.5285875718.

The spelling of 57749052 in words is "fifty-seven million, seven hundred forty-nine thousand, fifty-two".