57542744 has 16 divisors (see below), whose sum is σ = 123306000. Its totient is φ = 24661152.

The previous prime is 57542743. The next prime is 57542747. The reversal of 57542744 is 44724575.

It is a super-2 number, since 2×57542744² = 6622334774099072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57542698 and 57542707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57542743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513719 + ... + 513830.

It is an arithmetic number, because the mean of its divisors is an integer number (7706625).

Almost surely, 2^57542744 is an apocalyptic number.

It is an amenable number.

57542744 is an abundant number, since it is smaller than the sum of its proper divisors (65763256).

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

57542744 is a wasteful number, since it uses less digits than its factorization.

57542744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027562 (or 1027558 counting only the distinct ones).

The product of its digits is 156800, while the sum is 38.

The square root of 57542744 is about 7585.6933763500. The cubic root of 57542744 is about 386.0677483169.

The spelling of 57542744 in words is "fifty-seven million, five hundred forty-two thousand, seven hundred forty-four".