57438788 has 12 divisors (see below), whose sum is σ = 109655952. Its totient is φ = 26108520.

The previous prime is 57438737. The next prime is 57438791. The reversal of 57438788 is 88783475.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652670 + ... + 652757.

It is an arithmetic number, because the mean of its divisors is an integer number (9137996).

Almost surely, 2^57438788 is an apocalyptic number.

It is an amenable number.

57438788 is a deficient number, since it is larger than the sum of its proper divisors (52217164).

57438788 is a wasteful number, since it uses less digits than its factorization.

57438788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305442 (or 1305440 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 57438788 is about 7578.8381695350. The cubic root of 57438788 is about 385.8351197878.

It can be divided in two parts, 574387 and 88, that added together give a palindrome (574475).

The spelling of 57438788 in words is "fifty-seven million, four hundred thirty-eight thousand, seven hundred eighty-eight".