57546372 has 48 divisors (see below), whose sum is σ = 145212480. Its totient is φ = 17632128.

The previous prime is 57546361. The next prime is 57546373. The reversal of 57546372 is 27364575.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 57546372.

It is not an unprimeable number, because it can be changed into a prime (57546373) 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, 45079 + ... + 46337.

It is an arithmetic number, because the mean of its divisors is an integer number (3025260).

Almost surely, 2^57546372 is an apocalyptic number.

57546372 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 57546372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72606240).

57546372 is an abundant number, since it is smaller than the sum of its proper divisors (87666108).

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

57546372 is a wasteful number, since it uses less digits than its factorization.

57546372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1570 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 57546372 is about 7585.9325069500. The cubic root of 57546372 is about 386.0758618470.

The spelling of 57546372 in words is "fifty-seven million, five hundred forty-six thousand, three hundred seventy-two".