57048732 has 96 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 17378496.

The previous prime is 57048731. The next prime is 57048737. The reversal of 57048732 is 23784075.

57048732 is a `hidden beast` number, since 570 + 4 + 87 + 3 + 2 = 666.

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 (57048731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251203 + ... + 251429.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^57048732 is an apocalyptic number.

57048732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57048732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

57048732 is an abundant number, since it is smaller than the sum of its proper divisors (103828068).

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

57048732 is a wasteful number, since it uses less digits than its factorization.

57048732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 424 counting only the distinct ones).

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

The square root of 57048732 is about 7553.0611013019. The cubic root of 57048732 is about 384.9597574174.

The spelling of 57048732 in words is "fifty-seven million, forty-eight thousand, seven hundred thirty-two".