56274489 has 12 divisors (see below), whose sum is σ = 81582436. Its totient is φ = 37379232.

The previous prime is 56274481. The next prime is 56274497. The reversal of 56274489 is 98447265.

It is a happy number.

56274489 is a `hidden beast` number, since 562 + 7 + 4 + 4 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (56274481) and next prime (56274497).

It can be written as a sum of positive squares in 2 ways, for example, as 5978025 + 50296464 = 2445^2 + 7092^2 .

It is not a de Polignac number, because 56274489 - 2³ = 56274481 is a prime.

It is a super-2 number, since 2×56274489² = 6333636224422242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56274481) 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, 8794 + ... + 13779.

Almost surely, 2^56274489 is an apocalyptic number.

It is an amenable number.

56274489 is a deficient number, since it is larger than the sum of its proper divisors (25307947).

56274489 is a wasteful number, since it uses less digits than its factorization.

56274489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22856 (or 22853 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 56274489 is about 7501.6324223465. The cubic root of 56274489 is about 383.2103115420.

The spelling of 56274489 in words is "fifty-six million, two hundred seventy-four thousand, four hundred eighty-nine".