55026405616 has 80 divisors (see below), whose sum is σ = 131594008000. Its totient is φ = 21706113024.

The previous prime is 55026405583. The next prime is 55026405617. The reversal of 55026405616 is 61650462055.

55026405616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55026405617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454000 + ... + 562288.

It is an arithmetic number, because the mean of its divisors is an integer number (1644925100).

Almost surely, 2^55026405616 is an apocalyptic number.

55026405616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55026405616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65797004000).

55026405616 is an abundant number, since it is smaller than the sum of its proper divisors (76567602384).

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

55026405616 is a wasteful number, since it uses less digits than its factorization.

55026405616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108666 (or 108660 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 55026405616 in words is "fifty-five billion, twenty-six million, four hundred five thousand, six hundred sixteen".