57437481 has 8 divisors (see below), whose sum is σ = 76619680. Its totient is φ = 38273472.

The previous prime is 57437477. The next prime is 57437489. The reversal of 57437481 is 18473475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57437481 - 2² = 57437477 is a prime.

It is a super-2 number, since 2×57437481² = 6598128447250722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57437489) 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, 7050 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (9577460).

Almost surely, 2^57437481 is an apocalyptic number.

It is an amenable number.

57437481 is a deficient number, since it is larger than the sum of its proper divisors (19182199).

57437481 is a wasteful number, since it uses less digits than its factorization.

57437481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9095.

The product of its digits is 94080, while the sum is 39.

The square root of 57437481 is about 7578.7519421076. The cubic root of 57437481 is about 385.8321932501.

The spelling of 57437481 in words is "fifty-seven million, four hundred thirty-seven thousand, four hundred eighty-one".