56912263 has 4 divisors (see below), whose sum is σ = 58235848. Its totient is φ = 55588680.

The previous prime is 56912227. The next prime is 56912269. The reversal of 56912263 is 36221965.

56912263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56912263 - 2¹⁷ = 56781191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56912269) 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 3 ways as a sum of consecutive naturals, for example, 661728 + ... + 661813.

It is an arithmetic number, because the mean of its divisors is an integer number (14558962).

Almost surely, 2^56912263 is an apocalyptic number.

56912263 is a deficient number, since it is larger than the sum of its proper divisors (1323585).

56912263 is a wasteful number, since it uses less digits than its factorization.

56912263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323584.

The product of its digits is 19440, while the sum is 34.

The square root of 56912263 is about 7544.0216728215. The cubic root of 56912263 is about 384.6525521118.

It can be divided in two parts, 56912 and 263, that added together give a palindrome (57175).

The spelling of 56912263 in words is "fifty-six million, nine hundred twelve thousand, two hundred sixty-three".