57806937 has 6 divisors (see below), whose sum is σ = 83498922. Its totient is φ = 38537952.

The previous prime is 57806933. The next prime is 57806977. The reversal of 57806937 is 73960875.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53231616 + 4575321 = 7296^2 + 2139^2 .

It is not a de Polignac number, because 57806937 - 2² = 57806933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57806892 and 57806901.

It is not an unprimeable number, because it can be changed into a prime (57806933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3211488 + ... + 3211505.

It is an arithmetic number, because the mean of its divisors is an integer number (13916487).

Almost surely, 2^57806937 is an apocalyptic number.

It is an amenable number.

57806937 is a deficient number, since it is larger than the sum of its proper divisors (25691985).

57806937 is a wasteful number, since it uses less digits than its factorization.

57806937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422999 (or 6422996 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 57806937 is about 7603.0873334455. The cubic root of 57806937 is about 386.6576906194.

The spelling of 57806937 in words is "fifty-seven million, eight hundred six thousand, nine hundred thirty-seven".