56627477 has 2 divisors, whose sum is σ = 56627478. Its totient is φ = 56627476.

The previous prime is 56627419. The next prime is 56627491. The reversal of 56627477 is 77472665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56460196 + 167281 = 7514^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 56627477 - 2⁶ = 56627413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56627177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28313738 + 28313739.

It is an arithmetic number, because the mean of its divisors is an integer number (28313739).

Almost surely, 2^56627477 is an apocalyptic number.

It is an amenable number.

56627477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56627477 is an equidigital number, since it uses as much as digits as its factorization.

56627477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The square root of 56627477 is about 7525.1230554722. The cubic root of 56627477 is about 384.0098851803.

The spelling of 56627477 in words is "fifty-six million, six hundred twenty-seven thousand, four hundred seventy-seven".