56812481 has 4 divisors (see below), whose sum is σ = 61977264. Its totient is φ = 51647700.

The previous prime is 56812463. The next prime is 56812493. The reversal of 56812481 is 18421865.

56812481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56812481 - 2¹⁰ = 56811457 is a prime.

It is a super-2 number, since 2×56812481² = 6455315994750722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56812981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582375 + ... + 2582396.

It is an arithmetic number, because the mean of its divisors is an integer number (15494316).

Almost surely, 2^56812481 is an apocalyptic number.

It is an amenable number.

56812481 is a deficient number, since it is larger than the sum of its proper divisors (5164783).

56812481 is a wasteful number, since it uses less digits than its factorization.

56812481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164782.

The product of its digits is 15360, while the sum is 35.

The square root of 56812481 is about 7537.4054554601. The cubic root of 56812481 is about 384.4276219493.

The spelling of 56812481 in words is "fifty-six million, eight hundred twelve thousand, four hundred eighty-one".