57684037 has 2 divisors, whose sum is σ = 57684038. Its totient is φ = 57684036.

The previous prime is 57683939. The next prime is 57684047. The reversal of 57684037 is 73048675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40119556 + 17564481 = 6334^2 + 4191^2 .

It is a cyclic number.

It is not a de Polignac number, because 57684037 - 2¹¹ = 57681989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57684047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28842018 + 28842019.

It is an arithmetic number, because the mean of its divisors is an integer number (28842019).

Almost surely, 2^57684037 is an apocalyptic number.

It is an amenable number.

57684037 is a deficient number, since it is larger than the sum of its proper divisors (1).

57684037 is an equidigital number, since it uses as much as digits as its factorization.

57684037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 57684037 is about 7595.0007899934. Note that the first 3 decimals coincide. The cubic root of 57684037 is about 386.3834793156.

The spelling of 57684037 in words is "fifty-seven million, six hundred eighty-four thousand, thirty-seven".