55100211270 has 128 divisors (see below), whose sum is σ = 147205029888. Its totient is φ = 13107916800.

The previous prime is 55100211209. The next prime is 55100211277. The reversal of 55100211270 is 7211200155.

It is a self number, because there is not a number n which added to its sum of digits gives 55100211270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100211277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10431030 + ... + 10436310.

It is an arithmetic number, because the mean of its divisors is an integer number (1150039296).

Almost surely, 2^55100211270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55100211270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73602514944).

55100211270 is an abundant number, since it is smaller than the sum of its proper divisors (92104818618).

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

55100211270 is a wasteful number, since it uses less digits than its factorization.

55100211270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198.

The product of its (nonzero) digits is 700, while the sum is 24.

The spelling of 55100211270 in words is "fifty-five billion, one hundred million, two hundred eleven thousand, two hundred seventy".