55005250278 has 32 divisors (see below), whose sum is σ = 122564897280. Its totient is φ = 16313612960.

The previous prime is 55005250253. The next prime is 55005250291. The reversal of 55005250278 is 87205250055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8862993 + ... + 8869196.

It is an arithmetic number, because the mean of its divisors is an integer number (3830153040).

Almost surely, 2^55005250278 is an apocalyptic number.

55005250278 is an abundant number, since it is smaller than the sum of its proper divisors (67559647002).

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

55005250278 is a wasteful number, since it uses less digits than its factorization.

55005250278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17732252.

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 55005250278 in words is "fifty-five billion, five million, two hundred fifty thousand, two hundred seventy-eight".