56623112 has 96 divisors (see below), whose sum is σ = 136327680. Its totient is φ = 21565440.

The previous prime is 56623093. The next prime is 56623153. The reversal of 56623112 is 21132665.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293288 + ... + 293480.

It is an arithmetic number, because the mean of its divisors is an integer number (1420080).

Almost surely, 2^56623112 is an apocalyptic number.

56623112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56623112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68163840).

56623112 is an abundant number, since it is smaller than the sum of its proper divisors (79704568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56623112 is a wasteful number, since it uses less digits than its factorization.

56623112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 246 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 56623112 is about 7524.8330214032. The cubic root of 56623112 is about 384.0000180845. Note that the first 4 decimals are identical.

Adding to 56623112 its reverse (21132665), we get a palindrome (77755777).

The spelling of 56623112 in words is "fifty-six million, six hundred twenty-three thousand, one hundred twelve".