57367021 has 2 divisors, whose sum is σ = 57367022. Its totient is φ = 57367020.

The previous prime is 57367007. The next prime is 57367033. The reversal of 57367021 is 12076375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50211396 + 7155625 = 7086^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 57367021 - 2⁵ = 57366989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57367001) 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 as a sum of consecutive naturals, namely, 28683510 + 28683511.

It is an arithmetic number, because the mean of its divisors is an integer number (28683511).

Almost surely, 2^57367021 is an apocalyptic number.

It is an amenable number.

57367021 is a deficient number, since it is larger than the sum of its proper divisors (1).

57367021 is an equidigital number, since it uses as much as digits as its factorization.

57367021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 57367021 is about 7574.1019929758. The cubic root of 57367021 is about 385.6743586798.

The spelling of 57367021 in words is "fifty-seven million, three hundred sixty-seven thousand, twenty-one".