55964424 has 128 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 16485120.

The previous prime is 55964423. The next prime is 55964429. The reversal of 55964424 is 42446955.

It is a happy number.

55964424 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 (55964423) 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 31 ways as a sum of consecutive naturals, for example, 522979 + ... + 523085.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^55964424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55964424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78796800).

55964424 is an abundant number, since it is smaller than the sum of its proper divisors (101629176).

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

55964424 is a wasteful number, since it uses less digits than its factorization.

55964424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 55964424 is about 7480.9373744204. The cubic root of 55964424 is about 382.5052022019.

The spelling of 55964424 in words is "fifty-five million, nine hundred sixty-four thousand, four hundred twenty-four".