55063540824 has 72 divisors (see below), whose sum is σ = 145343034180. Its totient is φ = 17381589120.

The previous prime is 55063540813. The next prime is 55063540871. The reversal of 55063540824 is 42804536055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21840684 + ... + 21843204.

Almost surely, 2^55063540824 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 55063540824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72671517090).

55063540824 is an abundant number, since it is smaller than the sum of its proper divisors (90279493356).

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

55063540824 is an equidigital number, since it uses as much as digits as its factorization.

55063540824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 55063540824 in words is "fifty-five billion, sixty-three million, five hundred forty thousand, eight hundred twenty-four".