56440104 has 32 divisors (see below), whose sum is σ = 161257920. Its totient is φ = 16125696.

The previous prime is 56440103. The next prime is 56440117. The reversal of 56440104 is 40104465.

56440104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (56440103) 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 7 ways as a sum of consecutive naturals, for example, 167809 + ... + 168144.

It is an arithmetic number, because the mean of its divisors is an integer number (5039310).

Almost surely, 2^56440104 is an apocalyptic number.

It is an amenable number.

56440104 is an abundant number, since it is smaller than the sum of its proper divisors (104817816).

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

56440104 is a wasteful number, since it uses less digits than its factorization.

56440104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335969 (or 335965 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 56440104 is about 7512.6629100473. The cubic root of 56440104 is about 383.5858708125.

Adding to 56440104 its reverse (40104465), we get a palindrome (96544569).

The spelling of 56440104 in words is "fifty-six million, four hundred forty thousand, one hundred four".