57540404 has 24 divisors (see below), whose sum is σ = 104152608. Its totient is φ = 27799200.

The previous prime is 57540403. The next prime is 57540421. The reversal of 57540404 is 40404575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57540403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12179 + ... + 16229.

It is an arithmetic number, because the mean of its divisors is an integer number (4339692).

Almost surely, 2^57540404 is an apocalyptic number.

It is an amenable number.

57540404 is a deficient number, since it is larger than the sum of its proper divisors (46612204).

57540404 is a wasteful number, since it uses less digits than its factorization.

57540404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 57540404 is about 7585.5391370686. The cubic root of 57540404 is about 386.0625150432.

Adding to 57540404 its reverse (40404575), we get a palindrome (97944979).

The spelling of 57540404 in words is "fifty-seven million, five hundred forty thousand, four hundred four".