56426477 has 2 divisors, whose sum is σ = 56426478. Its totient is φ = 56426476.

The previous prime is 56426473. The next prime is 56426483. The reversal of 56426477 is 77462465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54449641 + 1976836 = 7379^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 56426477 - 2² = 56426473 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56426473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28213238 + 28213239.

It is an arithmetic number, because the mean of its divisors is an integer number (28213239).

Almost surely, 2^56426477 is an apocalyptic number.

It is an amenable number.

56426477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56426477 is an equidigital number, since it uses as much as digits as its factorization.

56426477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 56426477 is about 7511.7559198898. The cubic root of 56426477 is about 383.5549971073.

The spelling of 56426477 in words is "fifty-six million, four hundred twenty-six thousand, four hundred seventy-seven".