56773365 has 32 divisors (see below), whose sum is σ = 99695232. Its totient is φ = 27360000.

The previous prime is 56773363. The next prime is 56773417. The reversal of 56773365 is 56337765.

It is not a de Polignac number, because 56773365 - 2¹ = 56773363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56773363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28915 + ... + 30815.

It is an arithmetic number, because the mean of its divisors is an integer number (3115476).

Almost surely, 2^56773365 is an apocalyptic number.

56773365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56773365 is a deficient number, since it is larger than the sum of its proper divisors (42921867).

56773365 is a wasteful number, since it uses less digits than its factorization.

56773365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its digits is 396900, while the sum is 42.

The square root of 56773365 is about 7534.8102165881. The cubic root of 56773365 is about 384.3393741851.

Subtracting from 56773365 its reverse (56337765), we obtain a square (435600 = 660²).

The spelling of 56773365 in words is "fifty-six million, seven hundred seventy-three thousand, three hundred sixty-five".