55076531543220 has 96 divisors (see below), whose sum is σ = 169968138028416. Its totient is φ = 13214238105600.

The previous prime is 55076531543183. The next prime is 55076531543237. The reversal of 55076531543220 is 2234513567055.

It is a self number, because there is not a number n which added to its sum of digits gives 55076531543220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430086961 + ... + 430215000.

It is an arithmetic number, because the mean of its divisors is an integer number (1770501437796).

Almost surely, 2^{55076531543220} is an apocalyptic number.

It is an amenable number.

55076531543220 is an abundant number, since it is smaller than the sum of its proper divisors (114891606485196).

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

55076531543220 is a wasteful number, since it uses less digits than its factorization.

55076531543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860302081 (or 860302079 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 55076531543220 in words is "fifty-five trillion, seventy-six billion, five hundred thirty-one million, five hundred forty-three thousand, two hundred twenty".