55211042562 has 128 divisors (see below), whose sum is σ = 129202698240. Its totient is φ = 15572874240.

The previous prime is 55211042531. The next prime is 55211042567. The reversal of 55211042562 is 26524011255.

55211042562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55211042567) 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, 23889387 + ... + 23891697.

It is an arithmetic number, because the mean of its divisors is an integer number (1009396080).

Almost surely, 2^55211042562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55211042562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64601349120).

55211042562 is an abundant number, since it is smaller than the sum of its proper divisors (73991655678).

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

55211042562 is a wasteful number, since it uses less digits than its factorization.

55211042562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 55211042562 in words is "fifty-five billion, two hundred eleven million, forty-two thousand, five hundred sixty-two".