57367621 has 2 divisors, whose sum is σ = 57367622. Its totient is φ = 57367620.

The previous prime is 57367613. The next prime is 57367657. The reversal of 57367621 is 12676375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 19236996 = 6175^2 + 4386^2 .

It is a cyclic number.

It is not a de Polignac number, because 57367621 - 2³ = 57367613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57367021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28683810 + 28683811.

It is an arithmetic number, because the mean of its divisors is an integer number (28683811).

Almost surely, 2^57367621 is an apocalyptic number.

It is an amenable number.

57367621 is a deficient number, since it is larger than the sum of its proper divisors (1).

57367621 is an equidigital number, since it uses as much as digits as its factorization.

57367621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The square root of 57367621 is about 7574.1416015282. The cubic root of 57367621 is about 385.6757032608.

The spelling of 57367621 in words is "fifty-seven million, three hundred sixty-seven thousand, six hundred twenty-one".