56144331 has 12 divisors (see below), whose sum is σ = 82628208. Its totient is φ = 36723024.

The previous prime is 56144329. The next prime is 56144351. The reversal of 56144331 is 13344165.

56144331 is a `hidden beast` number, since 5 + 614 + 43 + 3 + 1 = 666.

It is not a de Polignac number, because 56144331 - 2¹ = 56144329 is a prime.

It is a super-2 number, since 2×56144331² = 6304371806875122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56144295 and 56144304.

It is not an unprimeable number, because it can be changed into a prime (56144321) 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, 58375 + ... + 59328.

It is an arithmetic number, because the mean of its divisors is an integer number (6885684).

Almost surely, 2^56144331 is an apocalyptic number.

56144331 is a deficient number, since it is larger than the sum of its proper divisors (26483877).

56144331 is a wasteful number, since it uses less digits than its factorization.

56144331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117762 (or 117759 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 56144331 is about 7492.9520884629. The cubic root of 56144331 is about 382.9146394265.

Adding to 56144331 its reverse (13344165), we get a palindrome (69488496).

The spelling of 56144331 in words is "fifty-six million, one hundred forty-four thousand, three hundred thirty-one".