56278365 has 32 divisors (see below), whose sum is σ = 105791616. Its totient is φ = 25186560.

The previous prime is 56278303. The next prime is 56278379. The reversal of 56278365 is 56387265.

It is not a de Polignac number, because 56278365 - 2⁶ = 56278301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10974 + ... + 15263.

It is an arithmetic number, because the mean of its divisors is an integer number (3305988).

Almost surely, 2^56278365 is an apocalyptic number.

56278365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56278365 is a deficient number, since it is larger than the sum of its proper divisors (49513251).

56278365 is a wasteful number, since it uses less digits than its factorization.

56278365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26269.

The product of its digits is 302400, while the sum is 42.

The square root of 56278365 is about 7501.8907616680. The cubic root of 56278365 is about 383.2191094247.

Subtracting 56278365 from its reverse (56387265), we obtain a square (108900 = 330²).

The spelling of 56278365 in words is "fifty-six million, two hundred seventy-eight thousand, three hundred sixty-five".