56046481 has 6 divisors (see below), whose sum is σ = 57913746. Its totient is φ = 54237600.

The previous prime is 56046479. The next prime is 56046491. The reversal of 56046481 is 18464065.

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 24910081 = 5580^2 + 4991^2 .

It is not a de Polignac number, because 56046481 - 2¹ = 56046479 is a prime.

It is a super-2 number, since 2×56046481² = 6282416064966722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56046461) 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, 28200 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (9652291).

Almost surely, 2^56046481 is an apocalyptic number.

It is an amenable number.

56046481 is a deficient number, since it is larger than the sum of its proper divisors (1867265).

56046481 is an equidigital number, since it uses as much as digits as its factorization.

56046481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58383 (or 58352 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 56046481 is about 7486.4197718269. The cubic root of 56046481 is about 382.6920584179.

The spelling of 56046481 in words is "fifty-six million, forty-six thousand, four hundred eighty-one".