57812748 has 36 divisors (see below), whose sum is σ = 156921912. Its totient is φ = 16517760.

The previous prime is 57812693. The next prime is 57812749. The reversal of 57812748 is 84721875.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (57812749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48573 + ... + 49748.

It is an arithmetic number, because the mean of its divisors is an integer number (4358942).

Almost surely, 2^57812748 is an apocalyptic number.

It is an amenable number.

57812748 is an abundant number, since it is smaller than the sum of its proper divisors (99109164).

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

57812748 is a wasteful number, since it uses less digits than its factorization.

57812748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98342 (or 98333 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 57812748 is about 7603.4694712348. The cubic root of 57812748 is about 386.6706463456.

The spelling of 57812748 in words is "fifty-seven million, eight hundred twelve thousand, seven hundred forty-eight".