55182776484 has 216 divisors, whose sum is σ = 148568116032. Its totient is φ = 15926064000.

The previous prime is 55182776479. The next prime is 55182776591. The reversal of 55182776484 is 48467728155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99071134 + ... + 99071690.

It is an arithmetic number, because the mean of its divisors is an integer number (687815352).

Almost surely, 2^55182776484 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 55182776484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74284058016).

55182776484 is an abundant number, since it is smaller than the sum of its proper divisors (93385339548).

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

55182776484 is a wasteful number, since it uses less digits than its factorization.

55182776484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 675 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 57.

The spelling of 55182776484 in words is "fifty-five billion, one hundred eighty-two million, seven hundred seventy-six thousand, four hundred eighty-four".