56455117 has 2 divisors, whose sum is σ = 56455118. Its totient is φ = 56455116.

The previous prime is 56455111. The next prime is 56455177. The reversal of 56455117 is 71155465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55860676 + 594441 = 7474^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 56455117 - 2³ = 56455109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56455111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28227558 + 28227559.

It is an arithmetic number, because the mean of its divisors is an integer number (28227559).

Almost surely, 2^56455117 is an apocalyptic number.

It is an amenable number.

56455117 is a deficient number, since it is larger than the sum of its proper divisors (1).

56455117 is an equidigital number, since it uses as much as digits as its factorization.

56455117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 34.

The square root of 56455117 is about 7513.6620232747. The cubic root of 56455117 is about 383.6198789246.

The spelling of 56455117 in words is "fifty-six million, four hundred fifty-five thousand, one hundred seventeen".