57502961 has 2 divisors, whose sum is σ = 57502962. Its totient is φ = 57502960.

The previous prime is 57502957. The next prime is 57503011. The reversal of 57502961 is 16920575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55965361 + 1537600 = 7481^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 57502961 - 2² = 57502957 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57502061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28751480 + 28751481.

It is an arithmetic number, because the mean of its divisors is an integer number (28751481).

Almost surely, 2^57502961 is an apocalyptic number.

It is an amenable number.

57502961 is a deficient number, since it is larger than the sum of its proper divisors (1).

57502961 is an equidigital number, since it uses as much as digits as its factorization.

57502961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 57502961 is about 7583.0706840963. The cubic root of 57502961 is about 385.9787566499.

The spelling of 57502961 in words is "fifty-seven million, five hundred two thousand, nine hundred sixty-one".