56441777 has 6 divisors (see below), whose sum is σ = 65656818. Its totient is φ = 48378624.

The previous prime is 56441719. The next prime is 56441809. The reversal of 56441777 is 77714465.

It can be written as a sum of positive squares in only one way, i.e., 55368481 + 1073296 = 7441^2 + 1036^2 .

It is not a de Polignac number, because 56441777 - 2¹² = 56437681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56441677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575888 + ... + 575985.

It is an arithmetic number, because the mean of its divisors is an integer number (10942803).

Almost surely, 2^56441777 is an apocalyptic number.

It is an amenable number.

56441777 is a deficient number, since it is larger than the sum of its proper divisors (9215041).

56441777 is a wasteful number, since it uses less digits than its factorization.

56441777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151887 (or 1151880 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 56441777 is about 7512.7742545614. The cubic root of 56441777 is about 383.5896608647.

The spelling of 56441777 in words is "fifty-six million, four hundred forty-one thousand, seven hundred seventy-seven".