55611715224 has 64 divisors (see below), whose sum is σ = 149955805440. Its totient is φ = 17084787840.

The previous prime is 55611715213. The next prime is 55611715297. The reversal of 55611715224 is 42251711655.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64119 + ... + 339609.

It is an arithmetic number, because the mean of its divisors is an integer number (2343059460).

Almost surely, 2^55611715224 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 55611715224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74977902720).

55611715224 is an abundant number, since it is smaller than the sum of its proper divisors (94344090216).

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

55611715224 is a wasteful number, since it uses less digits than its factorization.

55611715224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276160 (or 276156 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The spelling of 55611715224 in words is "fifty-five billion, six hundred eleven million, seven hundred fifteen thousand, two hundred twenty-four".