55413384 has 64 divisors (see below), whose sum is σ = 150810240. Its totient is φ = 16865280.

The previous prime is 55413377. The next prime is 55413389. The reversal of 55413384 is 48331455.

It is not an unprimeable number, because it can be changed into a prime (55413389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29349 + ... + 31179.

It is an arithmetic number, because the mean of its divisors is an integer number (2356410).

Almost surely, 2^55413384 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 55413384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75405120).

55413384 is an abundant number, since it is smaller than the sum of its proper divisors (95396856).

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

55413384 is a wasteful number, since it uses less digits than its factorization.

55413384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1946 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 55413384 is about 7444.0166576923. The cubic root of 55413384 is about 381.2456445261.

The spelling of 55413384 in words is "fifty-five million, four hundred thirteen thousand, three hundred eighty-four".