56272755 has 64 divisors (see below), whose sum is σ = 113799168. Its totient is φ = 23064960.

The previous prime is 56272751. The next prime is 56272763. The reversal of 56272755 is 55727265.

It is not a de Polignac number, because 56272755 - 2² = 56272751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56272751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95572 + ... + 96158.

It is an arithmetic number, because the mean of its divisors is an integer number (1778112).

Almost surely, 2^56272755 is an apocalyptic number.

56272755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56272755 is an abundant number, since it is smaller than the sum of its proper divisors (57526413).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56272755 is a wasteful number, since it uses less digits than its factorization.

56272755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 147000, while the sum is 39.

The square root of 56272755 is about 7501.5168466118. The cubic root of 56272755 is about 383.2063755163.

Subtracting from 56272755 its reverse (55727265), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 56272755 in words is "fifty-six million, two hundred seventy-two thousand, seven hundred fifty-five".