57038837 has 4 divisors (see below), whose sum is σ = 57261036. Its totient is φ = 56816640.

The previous prime is 57038833. The next prime is 57038851. The reversal of 57038837 is 73883075.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56640676 + 398161 = 7526^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 57038837 - 2² = 57038833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57038794 and 57038803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57038833) 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 3 ways as a sum of consecutive naturals, for example, 110714 + ... + 111227.

It is an arithmetic number, because the mean of its divisors is an integer number (14315259).

Almost surely, 2^57038837 is an apocalyptic number.

It is an amenable number.

57038837 is a deficient number, since it is larger than the sum of its proper divisors (222199).

57038837 is a wasteful number, since it uses less digits than its factorization.

57038837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222198.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 57038837 is about 7552.4060404615. The cubic root of 57038837 is about 384.9374992712.

It can be divided in two parts, 57038 and 837, that added together give a palindrome (57875).

The spelling of 57038837 in words is "fifty-seven million, thirty-eight thousand, eight hundred thirty-seven".