57392761 has 2 divisors, whose sum is σ = 57392762. Its totient is φ = 57392760.

The previous prime is 57392717. The next prime is 57392791. The reversal of 57392761 is 16729375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 1142761 = 7500^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 57392761 - 2¹⁹ = 56868473 is a prime.

It is not a weakly prime, because it can be changed into another prime (57392791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28696380 + 28696381.

It is an arithmetic number, because the mean of its divisors is an integer number (28696381).

Almost surely, 2^57392761 is an apocalyptic number.

It is an amenable number.

57392761 is a deficient number, since it is larger than the sum of its proper divisors (1).

57392761 is an equidigital number, since it uses as much as digits as its factorization.

57392761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 57392761 is about 7575.8010137543. The cubic root of 57392761 is about 385.7320327780.

The spelling of 57392761 in words is "fifty-seven million, three hundred ninety-two thousand, seven hundred sixty-one".