55300025022 has 64 divisors (see below), whose sum is σ = 126281963520. Its totient is φ = 15980421600.

The previous prime is 55300025017. The next prime is 55300025023. The reversal of 55300025022 is 22052000355.

55300025022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55300025022² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55300024983 and 55300025001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55300025023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447429 + ... + 557487.

It is an arithmetic number, because the mean of its divisors is an integer number (1973155680).

Almost surely, 2^55300025022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55300025022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63140981760).

55300025022 is an abundant number, since it is smaller than the sum of its proper divisors (70981938498).

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

55300025022 is a wasteful number, since it uses less digits than its factorization.

55300025022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110429.

The product of its (nonzero) digits is 3000, while the sum is 24.

Adding to 55300025022 its reverse (22052000355), we get a palindrome (77352025377).

The spelling of 55300025022 in words is "fifty-five billion, three hundred million, twenty-five thousand, twenty-two".