56130779 has 2 divisors, whose sum is σ = 56130780. Its totient is φ = 56130778.

The previous prime is 56130743. The next prime is 56130803. The reversal of 56130779 is 97703165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56130779 - 2¹² = 56126683 is a prime.

It is a super-2 number, since 2×56130779² = 6301328702293682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56130479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28065389 + 28065390.

It is an arithmetic number, because the mean of its divisors is an integer number (28065390).

Almost surely, 2^56130779 is an apocalyptic number.

56130779 is a deficient number, since it is larger than the sum of its proper divisors (1).

56130779 is an equidigital number, since it uses as much as digits as its factorization.

56130779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 56130779 is about 7492.0477174134. The cubic root of 56130779 is about 382.8838279051.

The spelling of 56130779 in words is "fifty-six million, one hundred thirty thousand, seven hundred seventy-nine".