57342793 has 2 divisors, whose sum is σ = 57342794. Its totient is φ = 57342792.

The previous prime is 57342781. The next prime is 57342871. The reversal of 57342793 is 39724375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 17740944 = 6293^2 + 4212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57342793 is a prime.

It is not a weakly prime, because it can be changed into another prime (57342713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28671396 + 28671397.

It is an arithmetic number, because the mean of its divisors is an integer number (28671397).

Almost surely, 2^57342793 is an apocalyptic number.

It is an amenable number.

57342793 is a deficient number, since it is larger than the sum of its proper divisors (1).

57342793 is an equidigital number, since it uses as much as digits as its factorization.

57342793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 40.

The square root of 57342793 is about 7572.5024265430. The cubic root of 57342793 is about 385.6200566671.

The spelling of 57342793 in words is "fifty-seven million, three hundred forty-two thousand, seven hundred ninety-three".