55232368776 has 160 divisors (see below), whose sum is σ = 166737879000. Its totient is φ = 16980710400.

The previous prime is 55232368759. The next prime is 55232368859. The reversal of 55232368776 is 67786323255.

It is a happy number.

55232368776 is a `hidden beast` number, since 5 + 523 + 2 + 36 + 87 + 7 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7599306276 + 47633062500 = 87174^2 + 218250^2 .

It is a super-2 number, since 2×55232368776² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16012300 + ... + 16015748.

Almost surely, 2^55232368776 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 55232368776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83368939500).

55232368776 is an abundant number, since it is smaller than the sum of its proper divisors (111505510224).

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

55232368776 is a wasteful number, since it uses less digits than its factorization.

55232368776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381 (or 5368 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 55232368776 in words is "fifty-five billion, two hundred thirty-two million, three hundred sixty-eight thousand, seven hundred seventy-six".