57464861 has 2 divisors, whose sum is σ = 57464862. Its totient is φ = 57464860.

The previous prime is 57464857. The next prime is 57464881. The reversal of 57464861 is 16846475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 27762361 = 5450^2 + 5269^2 .

It is a cyclic number.

It is not a de Polignac number, because 57464861 - 2² = 57464857 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 (57464831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28732430 + 28732431.

It is an arithmetic number, because the mean of its divisors is an integer number (28732431).

Almost surely, 2^57464861 is an apocalyptic number.

It is an amenable number.

57464861 is a deficient number, since it is larger than the sum of its proper divisors (1).

57464861 is an equidigital number, since it uses as much as digits as its factorization.

57464861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 57464861 is about 7580.5580929111. The cubic root of 57464861 is about 385.8934912452.

The spelling of 57464861 in words is "fifty-seven million, four hundred sixty-four thousand, eight hundred sixty-one".