56422961 has 12 divisors (see below), whose sum is σ = 65887668. Its totient is φ = 48176352.

The previous prime is 56422937. The next prime is 56422973. The reversal of 56422961 is 16922465.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17172736 + 39250225 = 4144^2 + 6265^2 .

It is not a de Polignac number, because 56422961 - 2⁶ = 56422897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56422901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11495 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (5490639).

Almost surely, 2^56422961 is an apocalyptic number.

It is an amenable number.

56422961 is a deficient number, since it is larger than the sum of its proper divisors (9464707).

56422961 is a wasteful number, since it uses less digits than its factorization.

56422961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448 (or 4441 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 56422961 is about 7511.5218830807. The cubic root of 56422961 is about 383.5470303545.

The spelling of 56422961 in words is "fifty-six million, four hundred twenty-two thousand, nine hundred sixty-one".