55329574716 has 192 divisors, whose sum is σ = 157349301760. Its totient is φ = 16710312960.

The previous prime is 55329574679. The next prime is 55329574717. The reversal of 55329574716 is 61747592355.

It is a happy number.

55329574716 is a `hidden beast` number, since 5 + 53 + 2 + 9 + 574 + 7 + 16 = 666.

It is a super-2 number, since 2×55329574716² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55329574717) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31135620 + ... + 31137396.

Almost surely, 2^55329574716 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 55329574716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78674650880).

55329574716 is an abundant number, since it is smaller than the sum of its proper divisors (102019727044).

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

55329574716 is a wasteful number, since it uses less digits than its factorization.

55329574716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2193 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The spelling of 55329574716 in words is "fifty-five billion, three hundred twenty-nine million, five hundred seventy-four thousand, seven hundred sixteen".