57611797 has 2 divisors, whose sum is σ = 57611798. Its totient is φ = 57611796.

The previous prime is 57611791. The next prime is 57611821. The reversal of 57611797 is 79711675.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46362481 + 11249316 = 6809^2 + 3354^2 .

It is a cyclic number.

It is not a de Polignac number, because 57611797 - 2¹⁵ = 57579029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57611791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28805898 + 28805899.

It is an arithmetic number, because the mean of its divisors is an integer number (28805899).

Almost surely, 2^57611797 is an apocalyptic number.

It is an amenable number.

57611797 is a deficient number, since it is larger than the sum of its proper divisors (1).

57611797 is an equidigital number, since it uses as much as digits as its factorization.

57611797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 43.

The square root of 57611797 is about 7590.2435402298. The cubic root of 57611797 is about 386.2221175015. Note that the first 3 decimals are identical.

The spelling of 57611797 in words is "fifty-seven million, six hundred eleven thousand, seven hundred ninety-seven".