57638023 has 16 divisors (see below), whose sum is σ = 61767936. Its totient is φ = 53665920.

The previous prime is 57638003. The next prime is 57638029. The reversal of 57638023 is 32083675.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57638023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57638023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57638029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173968 + ... + 174298.

It is an arithmetic number, because the mean of its divisors is an integer number (3860496).

Almost surely, 2^57638023 is an apocalyptic number.

57638023 is a deficient number, since it is larger than the sum of its proper divisors (4129913).

57638023 is a wasteful number, since it uses less digits than its factorization.

57638023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 57638023 is about 7591.9709562142. The cubic root of 57638023 is about 386.2807138607.

The spelling of 57638023 in words is "fifty-seven million, six hundred thirty-eight thousand, twenty-three".