57956779 has 2 divisors, whose sum is σ = 57956780. Its totient is φ = 57956778.

The previous prime is 57956753. The next prime is 57956797. The reversal of 57956779 is 97765975.

Together with next prime (57956797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57956779 - 2⁷ = 57956651 is a prime.

It is not a weakly prime, because it can be changed into another prime (57956749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28978389 + 28978390.

It is an arithmetic number, because the mean of its divisors is an integer number (28978390).

Almost surely, 2^57956779 is an apocalyptic number.

57956779 is a deficient number, since it is larger than the sum of its proper divisors (1).

57956779 is an equidigital number, since it uses as much as digits as its factorization.

57956779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4167450, while the sum is 55.

The square root of 57956779 is about 7612.9349793624. The cubic root of 57956779 is about 386.9914889283.

The spelling of 57956779 in words is "fifty-seven million, nine hundred fifty-six thousand, seven hundred seventy-nine".