56705275 has 24 divisors (see below), whose sum is σ = 78794064. Its totient is φ = 40118400.

The previous prime is 56705269. The next prime is 56705279. The reversal of 56705275 is 57250765.

56705275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56705275 - 2³ = 56705267 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56705279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7389 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (3283086).

Almost surely, 2^56705275 is an apocalyptic number.

56705275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56705275 is a deficient number, since it is larger than the sum of its proper divisors (22088789).

56705275 is a wasteful number, since it uses less digits than its factorization.

56705275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 56705275 is about 7530.2904990445. The cubic root of 56705275 is about 384.1856628042.

Subtracting 56705275 from its reverse (57250765), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 56705275 in words is "fifty-six million, seven hundred five thousand, two hundred seventy-five".