57026738 has 16 divisors (see below), whose sum is σ = 90810720. Its totient is φ = 26765376.

The previous prime is 57026737. The next prime is 57026743. The reversal of 57026738 is 83762075.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57026737) 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, 12245 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (5675670).

Almost surely, 2^57026738 is an apocalyptic number.

57026738 is a deficient number, since it is larger than the sum of its proper divisors (33783982).

57026738 is a wasteful number, since it uses less digits than its factorization.

57026738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 57026738 is about 7551.6049949663. The cubic root of 57026738 is about 384.9102798748.

The spelling of 57026738 in words is "fifty-seven million, twenty-six thousand, seven hundred thirty-eight".