55175249915280 has 800 divisors, whose sum is σ = 219121815306240. Its totient is φ = 12736803087360.

The previous prime is 55175249915231. The next prime is 55175249915323. The reversal of 55175249915280 is 8251994257155.

55175249915280 is a `hidden beast` number, since 5 + 5 + 1 + 7 + 52 + 499 + 15 + 2 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 365519661 + ... + 365670579.

Almost surely, 2^{55175249915280} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55175249915280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109560907653120).

55175249915280 is an abundant number, since it is smaller than the sum of its proper divisors (163946565390960).

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

55175249915280 is a wasteful number, since it uses less digits than its factorization.

55175249915280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151201 (or 151186 counting only the distinct ones).

The product of its (nonzero) digits is 45360000, while the sum is 63.

The spelling of 55175249915280 in words is "fifty-five trillion, one hundred seventy-five billion, two hundred forty-nine million, nine hundred fifteen thousand, two hundred eighty".