56097481 has 16 divisors (see below), whose sum is σ = 64915200. Its totient is φ = 47941200.

The previous prime is 56097473. The next prime is 56097493. The reversal of 56097481 is 18479065.

It is a cyclic number.

It is not a de Polignac number, because 56097481 - 2³ = 56097473 is a prime.

It is a super-2 number, since 2×56097481² = 6293854749090722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56097401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28086 + ... + 30016.

It is an arithmetic number, because the mean of its divisors is an integer number (4057200).

Almost surely, 2^56097481 is an apocalyptic number.

It is an amenable number.

56097481 is a deficient number, since it is larger than the sum of its proper divisors (8817719).

56097481 is a wasteful number, since it uses less digits than its factorization.

56097481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 56097481 is about 7489.8251648486. The cubic root of 56097481 is about 382.8081012550.

The spelling of 56097481 in words is "fifty-six million, ninety-seven thousand, four hundred eighty-one".