55410404 has 48 divisors (see below), whose sum is σ = 116659200. Its totient is φ = 22514976.

The previous prime is 55410401. The next prime is 55410409. The reversal of 55410404 is 40401455.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 55410404.

It is not an unprimeable number, because it can be changed into a prime (55410401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89207 + ... + 89825.

It is an arithmetic number, because the mean of its divisors is an integer number (2430400).

Almost surely, 2^55410404 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 55410404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58329600).

55410404 is an abundant number, since it is smaller than the sum of its proper divisors (61248796).

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

55410404 is a wasteful number, since it uses less digits than its factorization.

55410404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55410404 is about 7443.8164942454. The cubic root of 55410404 is about 381.2388102422.

Adding to 55410404 its reverse (40401455), we get a palindrome (95811859).

The spelling of 55410404 in words is "fifty-five million, four hundred ten thousand, four hundred four".