55415005044 has 48 divisors (see below), whose sum is σ = 147852663168. Its totient is φ = 15824360448.

The previous prime is 55415005031. The next prime is 55415005073. The reversal of 55415005044 is 44050051455.

It is a junction number, because it is equal to n+sod(n) for n = 55415004996 and 55415005014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18777 + ... + 333440.

It is an arithmetic number, because the mean of its divisors is an integer number (3080263816).

Almost surely, 2^55415005044 is an apocalyptic number.

It is an amenable number.

55415005044 is an abundant number, since it is smaller than the sum of its proper divisors (92437658124).

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

55415005044 is a wasteful number, since it uses less digits than its factorization.

55415005044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354104 (or 354102 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 55415005044 its reverse (44050051455), we get a palindrome (99465056499).

The spelling of 55415005044 in words is "fifty-five billion, four hundred fifteen million, five thousand, forty-four".