57961769 has 2 divisors, whose sum is σ = 57961770. Its totient is φ = 57961768.

The previous prime is 57961759. The next prime is 57961801. The reversal of 57961769 is 96716975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 22915369 = 5920^2 + 4787^2 .

It is a cyclic number.

It is not a de Polignac number, because 57961769 - 2¹⁶ = 57896233 is a prime.

It is a super-2 number, since 2×57961769² = 6719133331218722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57961759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28980884 + 28980885.

It is an arithmetic number, because the mean of its divisors is an integer number (28980885).

Almost surely, 2^57961769 is an apocalyptic number.

It is an amenable number.

57961769 is a deficient number, since it is larger than the sum of its proper divisors (1).

57961769 is an equidigital number, since it uses as much as digits as its factorization.

57961769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 50.

The square root of 57961769 is about 7613.2627039923. The cubic root of 57961769 is about 387.0025950902.

The spelling of 57961769 in words is "fifty-seven million, nine hundred sixty-one thousand, seven hundred sixty-nine".