55213545260 has 24 divisors (see below), whose sum is σ = 119082188400. Its totient is φ = 21488514624.

The previous prime is 55213545253. The next prime is 55213545281. The reversal of 55213545260 is 6254531255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37305710 + ... + 37307189.

It is an arithmetic number, because the mean of its divisors is an integer number (4961757850).

Almost surely, 2^55213545260 is an apocalyptic number.

It is an amenable number.

55213545260 is an abundant number, since it is smaller than the sum of its proper divisors (63868643140).

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

55213545260 is a wasteful number, since it uses less digits than its factorization.

55213545260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74612945 (or 74612943 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 55213545260 in words is "fifty-five billion, two hundred thirteen million, five hundred forty-five thousand, two hundred sixty".