55198213248 has 64 divisors (see below), whose sum is σ = 146663939520. Its totient is φ = 18393922560.

The previous prime is 55198213181. The next prime is 55198213253. The reversal of 55198213248 is 84231289155.

It is a Cunningham number, because it is equal to 234943²-1.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 55198213197 and 55198213206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390086 + ... + 1429242.

It is an arithmetic number, because the mean of its divisors is an integer number (2291624055).

Almost surely, 2^55198213248 is an apocalyptic number.

It is an amenable number.

55198213248 is an abundant number, since it is smaller than the sum of its proper divisors (91465726272).

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

55198213248 is a wasteful number, since it uses less digits than its factorization.

55198213248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42845 (or 42833 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The spelling of 55198213248 in words is "fifty-five billion, one hundred ninety-eight million, two hundred thirteen thousand, two hundred forty-eight".