57755438 has 16 divisors (see below), whose sum is σ = 97354656. Its totient is φ = 25497120.

The previous prime is 57755437. The next prime is 57755479. The reversal of 57755438 is 83455775.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57755437) 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, 47693 + ... + 48888.

It is an arithmetic number, because the mean of its divisors is an integer number (6084666).

Almost surely, 2^57755438 is an apocalyptic number.

57755438 is a deficient number, since it is larger than the sum of its proper divisors (39599218).

57755438 is a wasteful number, since it uses less digits than its factorization.

57755438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96619.

The product of its digits is 588000, while the sum is 44.

The square root of 57755438 is about 7599.6998624946. The cubic root of 57755438 is about 386.5428347354.

The spelling of 57755438 in words is "fifty-seven million, seven hundred fifty-five thousand, four hundred thirty-eight".