55157105415200 has 72 divisors (see below), whose sum is σ = 134653368632832. Its totient is φ = 22062664382720.

The previous prime is 55157105415133. The next prime is 55157105415227. The reversal of 55157105415200 is 251450175155.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149517377 + ... + 149885823.

It is an arithmetic number, because the mean of its divisors is an integer number (1870185675456).

Almost surely, 2^{55157105415200} is an apocalyptic number.

55157105415200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55157105415200 is an abundant number, since it is smaller than the sum of its proper divisors (79496263217632).

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

55157105415200 is a wasteful number, since it uses less digits than its factorization.

55157105415200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555594 (or 555581 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 41.

The spelling of 55157105415200 in words is "fifty-five trillion, one hundred fifty-seven billion, one hundred five million, four hundred fifteen thousand, two hundred".