55079152815 has 48 divisors (see below), whose sum is σ = 91164549600. Its totient is φ = 28395682560.

The previous prime is 55079152813. The next prime is 55079152823. The reversal of 55079152815 is 51825197055.

It is not a de Polignac number, because 55079152815 - 2¹ = 55079152813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55079152813) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17714481 + ... + 17717589.

It is an arithmetic number, because the mean of its divisors is an integer number (1899261450).

Almost surely, 2^55079152815 is an apocalyptic number.

55079152815 is a deficient number, since it is larger than the sum of its proper divisors (36085396785).

55079152815 is a wasteful number, since it uses less digits than its factorization.

55079152815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 48.

The spelling of 55079152815 in words is "fifty-five billion, seventy-nine million, one hundred fifty-two thousand, eight hundred fifteen".