56757461 has 2 divisors, whose sum is σ = 56757462. Its totient is φ = 56757460.

The previous prime is 56757451. The next prime is 56757479. The reversal of 56757461 is 16475765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55965361 + 792100 = 7481^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 56757461 - 2⁶ = 56757397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56757431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28378730 + 28378731.

It is an arithmetic number, because the mean of its divisors is an integer number (28378731).

Almost surely, 2^56757461 is an apocalyptic number.

It is an amenable number.

56757461 is a deficient number, since it is larger than the sum of its proper divisors (1).

56757461 is an equidigital number, since it uses as much as digits as its factorization.

56757461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 56757461 is about 7533.7547743473. The cubic root of 56757461 is about 384.3034823294.

The spelling of 56757461 in words is "fifty-six million, seven hundred fifty-seven thousand, four hundred sixty-one".