55444460 has 24 divisors (see below), whose sum is σ = 116926656. Its totient is φ = 22083840.

The previous prime is 55444457. The next prime is 55444469. The reversal of 55444460 is 6444455.

55444460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55444469) 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, 932 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (4871944).

Almost surely, 2^55444460 is an apocalyptic number.

It is an amenable number.

55444460 is an abundant number, since it is smaller than the sum of its proper divisors (61482196).

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

55444460 is a wasteful number, since it uses less digits than its factorization.

55444460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11753 (or 11751 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 55444460 is about 7446.1036791063. The cubic root of 55444460 is about 381.3168991266.

The spelling of 55444460 in words is "fifty-five million, four hundred forty-four thousand, four hundred sixty".