57997437 has 8 divisors (see below), whose sum is σ = 77384160. Its totient is φ = 38637840.

The previous prime is 57997403. The next prime is 57997487. The reversal of 57997437 is 73479975.

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

It is not a de Polignac number, because 57997437 - 2⁷ = 57997309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57997437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57997487) 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 7 ways as a sum of consecutive naturals, for example, 1114 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (9673020).

Almost surely, 2^57997437 is an apocalyptic number.

It is an amenable number.

57997437 is a deficient number, since it is larger than the sum of its proper divisors (19386723).

57997437 is a wasteful number, since it uses less digits than its factorization.

57997437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563.

The product of its digits is 1666980, while the sum is 51.

The square root of 57997437 is about 7615.6048348112. The cubic root of 57997437 is about 387.0819622220.

The spelling of 57997437 in words is "fifty-seven million, nine hundred ninety-seven thousand, four hundred thirty-seven".