55155415000 has 80 divisors (see below), whose sum is σ = 147690536400. Its totient is φ = 18910416000.

The previous prime is 55155414961. The next prime is 55155415013. The reversal of 55155415000 is 51455155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 752935 + ... + 822934.

It is an arithmetic number, because the mean of its divisors is an integer number (1846131705).

Almost surely, 2^55155415000 is an apocalyptic number.

55155415000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55155415000 is an abundant number, since it is smaller than the sum of its proper divisors (92535121400).

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

55155415000 is a wasteful number, since it uses less digits than its factorization.

55155415000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575902 (or 1575883 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 55155415000 in words is "fifty-five billion, one hundred fifty-five million, four hundred fifteen thousand".