56455877 has 2 divisors, whose sum is σ = 56455878. Its totient is φ = 56455876.

The previous prime is 56455873. The next prime is 56455879. The reversal of 56455877 is 77855465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48011041 + 8444836 = 6929^2 + 2906^2 .

It is a cyclic number.

It is not a de Polignac number, because 56455877 - 2² = 56455873 is a prime.

It is a super-3 number, since 3×56455877³ (a number of 24 digits) contains 333 as substring.

Together with 56455879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56455873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28227938 + 28227939.

It is an arithmetic number, because the mean of its divisors is an integer number (28227939).

Almost surely, 2^56455877 is an apocalyptic number.

It is an amenable number.

56455877 is a deficient number, since it is larger than the sum of its proper divisors (1).

56455877 is an equidigital number, since it uses as much as digits as its factorization.

56455877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The square root of 56455877 is about 7513.7125976444. The cubic root of 56455877 is about 383.6216003499.

The spelling of 56455877 in words is "fifty-six million, four hundred fifty-five thousand, eight hundred seventy-seven".