56505995 has 48 divisors (see below), whose sum is σ = 86329152. Its totient is φ = 34744320.

The previous prime is 56505959. The next prime is 56505997. The reversal of 56505995 is 59950565.

It is not a de Polignac number, because 56505995 - 2⁶ = 56505931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56505997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242399 + ... + 242631.

It is an arithmetic number, because the mean of its divisors is an integer number (1798524).

Almost surely, 2^56505995 is an apocalyptic number.

56505995 is a deficient number, since it is larger than the sum of its proper divisors (29823157).

56505995 is a wasteful number, since it uses less digits than its factorization.

56505995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 56505995 is about 7517.0469600768. The cubic root of 56505995 is about 383.7350852037.

The spelling of 56505995 in words is "fifty-six million, five hundred five thousand, nine hundred ninety-five".