55515254421315 has 32 divisors (see below), whose sum is σ = 95714783390016. Its totient is φ = 27314092615680.

The previous prime is 55515254421299. The next prime is 55515254421317. The reversal of 55515254421315 is 51312445251555.

It is not a de Polignac number, because 55515254421315 - 2⁴ = 55515254421299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55515254421317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85583226 + ... + 86229455.

It is an arithmetic number, because the mean of its divisors is an integer number (2991086980938).

Almost surely, 2^{55515254421315} is an apocalyptic number.

55515254421315 is a deficient number, since it is larger than the sum of its proper divisors (40199528968701).

55515254421315 is a wasteful number, since it uses less digits than its factorization.

55515254421315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171814359.

The product of its digits is 3000000, while the sum is 48.

The spelling of 55515254421315 in words is "fifty-five trillion, five hundred fifteen billion, two hundred fifty-four million, four hundred twenty-one thousand, three hundred fifteen".