56445100 has 36 divisors (see below), whose sum is σ = 129694824. Its totient is φ = 21249280.

The previous prime is 56445097. The next prime is 56445101. The reversal of 56445100 is 154465.

56445100 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 (25).

It is not an unprimeable number, because it can be changed into a prime (56445101) 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 11 ways as a sum of consecutive naturals, for example, 14902 + ... + 18301.

It is an arithmetic number, because the mean of its divisors is an integer number (3602634).

Almost surely, 2^56445100 is an apocalyptic number.

56445100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56445100 is an abundant number, since it is smaller than the sum of its proper divisors (73249724).

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

56445100 is a wasteful number, since it uses less digits than its factorization.

56445100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33234 (or 33227 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 56445100 is about 7512.9954079581. The cubic root of 56445100 is about 383.5971886423.

Adding to 56445100 its reverse (154465), we get a palindrome (56599565).

The spelling of 56445100 in words is "fifty-six million, four hundred forty-five thousand, one hundred".