56281275 has 36 divisors (see below), whose sum is σ = 104070720. Its totient is φ = 29044800.

The previous prime is 56281241. The next prime is 56281279. The reversal of 56281275 is 57218265.

It is a happy number.

56281275 is a `hidden beast` number, since 5 + 628 + 1 + 27 + 5 = 666.

It is not a de Polignac number, because 56281275 - 2²³ = 47892667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56281279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2941 + ... + 11009.

Almost surely, 2^56281275 is an apocalyptic number.

56281275 is a deficient number, since it is larger than the sum of its proper divisors (47789445).

56281275 is a wasteful number, since it uses less digits than its factorization.

56281275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116 (or 8108 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 56281275 is about 7502.0847102655. The cubic root of 56281275 is about 383.2257143808.

It can be divided in two parts, 5628 and 1275, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 56281275 in words is "fifty-six million, two hundred eighty-one thousand, two hundred seventy-five".