57015797 has 2 divisors, whose sum is σ = 57015798. Its totient is φ = 57015796.

The previous prime is 57015737. The next prime is 57015811. The reversal of 57015797 is 79751075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 1274641 = 7466^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 57015797 - 2¹⁰ = 57014773 is a prime.

It is a super-2 number, since 2×57015797² = 6501602215090418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57015737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28507898 + 28507899.

It is an arithmetic number, because the mean of its divisors is an integer number (28507899).

Almost surely, 2^57015797 is an apocalyptic number.

It is an amenable number.

57015797 is a deficient number, since it is larger than the sum of its proper divisors (1).

57015797 is an equidigital number, since it uses as much as digits as its factorization.

57015797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77175, while the sum is 41.

The square root of 57015797 is about 7550.8805446782. The cubic root of 57015797 is about 384.8856623423.

The spelling of 57015797 in words is "fifty-seven million, fifteen thousand, seven hundred ninety-seven".