55112534022 has 128 divisors (see below), whose sum is σ = 145374372864. Its totient is φ = 13515153408.

The previous prime is 55112534021. The next prime is 55112534023. The reversal of 55112534022 is 22043521155.

It is an interprime number because it is at equal distance from previous prime (55112534021) and next prime (55112534023).

It is a super-2 number, since 2×55112534022² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112534021) 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, 734638 + ... + 806174.

It is an arithmetic number, because the mean of its divisors is an integer number (1135737288).

Almost surely, 2^55112534022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55112534022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72687186432).

55112534022 is an abundant number, since it is smaller than the sum of its proper divisors (90261838842).

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

55112534022 is a wasteful number, since it uses less digits than its factorization.

55112534022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71662.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 55112534022 in words is "fifty-five billion, one hundred twelve million, five hundred thirty-four thousand, twenty-two".