55121503002 has 16 divisors (see below), whose sum is σ = 111571236000. Its totient is φ = 18152462672.

The previous prime is 55121502901. The next prime is 55121503013. The reversal of 55121503002 is 20030512155.

It is a happy number.

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, 55342377 + ... + 55343372.

It is an arithmetic number, because the mean of its divisors is an integer number (6973202250).

Almost surely, 2^55121503002 is an apocalyptic number.

55121503002 is an abundant number, since it is smaller than the sum of its proper divisors (56449732998).

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

55121503002 is a wasteful number, since it uses less digits than its factorization.

55121503002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110685837.

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 55121503002 in words is "fifty-five billion, one hundred twenty-one million, five hundred three thousand, two".