56123156 has 6 divisors (see below), whose sum is σ = 98215530. Its totient is φ = 28061576.

The previous prime is 56123147. The next prime is 56123159. The reversal of 56123156 is 65132165.

56123156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 22714756 = 5780^2 + 4766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56123159) 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 as a sum of consecutive naturals, namely, 7015391 + ... + 7015398.

It is an arithmetic number, because the mean of its divisors is an integer number (16369255).

Almost surely, 2^56123156 is an apocalyptic number.

It is an amenable number.

56123156 is a deficient number, since it is larger than the sum of its proper divisors (42092374).

56123156 is a wasteful number, since it uses less digits than its factorization.

56123156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030793 (or 14030791 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 56123156 is about 7491.5389607210. The cubic root of 56123156 is about 382.8664942449.

Subtracting 56123156 from its reverse (65132165), we obtain a palindrome (9009009).

The spelling of 56123156 in words is "fifty-six million, one hundred twenty-three thousand, one hundred fifty-six".