56484981 has 12 divisors (see below), whose sum is σ = 93245152. Its totient is φ = 32277096.

The previous prime is 56484949. The next prime is 56484983. The reversal of 56484981 is 18948465.

56484981 is a `hidden beast` number, since 564 + 8 + 4 + 9 + 81 = 666.

It is not a de Polignac number, because 56484981 - 2⁵ = 56484949 is a prime.

It is a super-2 number, since 2×56484981² = 6381106157140722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56484983) 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, 448231 + ... + 448356.

Almost surely, 2^56484981 is an apocalyptic number.

It is an amenable number.

56484981 is a deficient number, since it is larger than the sum of its proper divisors (36760171).

56484981 is a wasteful number, since it uses less digits than its factorization.

56484981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896600 (or 896597 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 56484981 is about 7515.6490737660. The cubic root of 56484981 is about 383.6875102582.

The spelling of 56484981 in words is "fifty-six million, four hundred eighty-four thousand, nine hundred eighty-one".