55464432 has 40 divisors (see below), whose sum is σ = 144611280. Its totient is φ = 18316800.

The previous prime is 55464427. The next prime is 55464457. The reversal of 55464432 is 23446455.

55464432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55464393 and 55464402.

It is a congruent number.

It is an unprimeable number.

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, 69 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (3615282).

Almost surely, 2^55464432 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 55464432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72305640).

55464432 is an abundant number, since it is smaller than the sum of its proper divisors (89146848).

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

55464432 is a wasteful number, since it uses less digits than its factorization.

55464432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721 (or 10715 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 55464432 is about 7447.4446624329. Note that the first 3 decimals coincide. The cubic root of 55464432 is about 381.3626791550.

The spelling of 55464432 in words is "fifty-five million, four hundred sixty-four thousand, four hundred thirty-two".