56155441 has 8 divisors (see below), whose sum is σ = 57378024. Its totient is φ = 54942720.

The previous prime is 56155439. The next prime is 56155453. The reversal of 56155441 is 14455165.

It can be written as a sum of positive squares in 4 ways, for example, as 23425600 + 32729841 = 4840^2 + 5721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56155441 - 2¹ = 56155439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56152441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9681 + ... + 14353.

It is an arithmetic number, because the mean of its divisors is an integer number (7172253).

Almost surely, 2^56155441 is an apocalyptic number.

It is an amenable number.

56155441 is a deficient number, since it is larger than the sum of its proper divisors (1222583).

56155441 is a wasteful number, since it uses less digits than its factorization.

56155441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931.

The product of its digits is 12000, while the sum is 31.

The square root of 56155441 is about 7493.6934151325. The cubic root of 56155441 is about 382.9398951736.

The spelling of 56155441 in words is "fifty-six million, one hundred fifty-five thousand, four hundred forty-one".