55592404 has 48 divisors (see below), whose sum is σ = 118540800. Its totient is φ = 22281696.

The previous prime is 55592401. The next prime is 55592413. The reversal of 55592404 is 40429555.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55592404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55592401) 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, 43527 + ... + 44785.

It is an arithmetic number, because the mean of its divisors is an integer number (2469600).

Almost surely, 2^55592404 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 55592404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59270400).

55592404 is an abundant number, since it is smaller than the sum of its proper divisors (62948396).

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

55592404 is a wasteful number, since it uses less digits than its factorization.

55592404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55592404 is about 7456.0313840541. The cubic root of 55592404 is about 381.6557574180.

The spelling of 55592404 in words is "fifty-five million, five hundred ninety-two thousand, four hundred four".