55275480000 has 1120 divisors, whose sum is σ = 227511173120. Its totient is φ = 13063680000.

The previous prime is 55275479983. The next prime is 55275480011. The reversal of 55275480000 is 8457255.

It is a happy number.

55275480000 is a `hidden beast` number, since 5 + 527 + 54 + 80 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 435239937 + ... + 435240063.

It is an arithmetic number, because the mean of its divisors is an integer number (203134976).

Almost surely, 2^55275480000 is an apocalyptic number.

55275480000 is a gapful number since it is divisible by the number (50) 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 55275480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113755586560).

55275480000 is an abundant number, since it is smaller than the sum of its proper divisors (172235693120).

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

55275480000 is a wasteful number, since it uses less digits than its factorization.

55275480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 55275480000 in words is "fifty-five billion, two hundred seventy-five million, four hundred eighty thousand".