55051404 has 24 divisors (see below), whose sum is σ = 128719920. Its totient is φ = 18312384.

The previous prime is 55051391. The next prime is 55051427. The reversal of 55051404 is 40415055.

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, 1602 + ... + 10614.

It is an arithmetic number, because the mean of its divisors is an integer number (5363330).

Almost surely, 2^55051404 is an apocalyptic number.

It is an amenable number.

55051404 is an abundant number, since it is smaller than the sum of its proper divisors (73668516).

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

55051404 is a wasteful number, since it uses less digits than its factorization.

55051404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9529 (or 9527 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 55051404 is about 7419.6633346804. The cubic root of 55051404 is about 380.4136861355.

Adding to 55051404 its reverse (40415055), we get a palindrome (95466459).

It can be divided in two parts, 55051 and 404, that added together give a palindrome (55455).

The spelling of 55051404 in words is "fifty-five million, fifty-one thousand, four hundred four".