57302748 has 48 divisors (see below), whose sum is σ = 152197920. Its totient is φ = 18633600.

The previous prime is 57302741. The next prime is 57302771. The reversal of 57302748 is 84720375.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57302741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2043 + ... + 10898.

It is an arithmetic number, because the mean of its divisors is an integer number (3170790).

Almost surely, 2^57302748 is an apocalyptic number.

It is an amenable number.

57302748 is an abundant number, since it is smaller than the sum of its proper divisors (94895172).

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

57302748 is a wasteful number, since it uses less digits than its factorization.

57302748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995 (or 12987 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 57302748 is about 7569.8578586391. The cubic root of 57302748 is about 385.5302706022.

The spelling of 57302748 in words is "fifty-seven million, three hundred two thousand, seven hundred forty-eight".