55424368 has 40 divisors (see below), whose sum is σ = 113581520. Its totient is φ = 26127360.

The previous prime is 55424351. The next prime is 55424371. The reversal of 55424368 is 86342455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102178 + ... + 102718.

It is an arithmetic number, because the mean of its divisors is an integer number (2839538).

Almost surely, 2^55424368 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 55424368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56790760).

55424368 is an abundant number, since it is smaller than the sum of its proper divisors (58157152).

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

55424368 is a wasteful number, since it uses less digits than its factorization.

55424368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 899 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 55424368 is about 7444.7543948743. The cubic root of 55424368 is about 381.2708329384.

The spelling of 55424368 in words is "fifty-five million, four hundred twenty-four thousand, three hundred sixty-eight".