55275505056 has 192 divisors, whose sum is σ = 163522800000. Its totient is φ = 18163961856.

The previous prime is 55275505007. The next prime is 55275505121. The reversal of 55275505056 is 65050557255.

It is a happy number.

55275505056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17892760 + ... + 17895848.

It is an arithmetic number, because the mean of its divisors is an integer number (851681250).

Almost surely, 2^55275505056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55275505056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81761400000).

55275505056 is an abundant number, since it is smaller than the sum of its proper divisors (108247294944).

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

55275505056 is a wasteful number, since it uses less digits than its factorization.

55275505056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396 (or 3382 counting only the distinct ones).

The product of its (nonzero) digits is 1312500, while the sum is 45.

The spelling of 55275505056 in words is "fifty-five billion, two hundred seventy-five million, five hundred five thousand, fifty-six".