55510044 has 24 divisors (see below), whose sum is σ = 129646608. Its totient is φ = 18485760.

The previous prime is 55510043. The next prime is 55510051. The reversal of 55510044 is 44001555.

It is a junction number, because it is equal to n+sod(n) for n = 55509996 and 55510023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510043) 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 7 ways as a sum of consecutive naturals, for example, 19564 + ... + 22220.

It is an arithmetic number, because the mean of its divisors is an integer number (5401942).

Almost surely, 2^55510044 is an apocalyptic number.

It is an amenable number.

55510044 is an abundant number, since it is smaller than the sum of its proper divisors (74136564).

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

55510044 is a wasteful number, since it uses less digits than its factorization.

55510044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405 (or 4403 counting only the distinct ones).

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

The square root of 55510044 is about 7450.5062915214. The cubic root of 55510044 is about 381.4671902672.

Adding to 55510044 its reverse (44001555), we get a palindrome (99511599).

The spelling of 55510044 in words is "fifty-five million, five hundred ten thousand, forty-four".