55996702272 has 336 divisors, whose sum is σ = 196798143360. Its totient is φ = 15446495232.

The previous prime is 55996702241. The next prime is 55996702277. The reversal of 55996702272 is 27220769955.

55996702272 is a `hidden beast` number, since 559 + 9 + 67 + 0 + 2 + 27 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is not an unprimeable number, because it can be changed into a prime (55996702277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3148188 + ... + 3165924.

It is an arithmetic number, because the mean of its divisors is an integer number (585708760).

Almost surely, 2^55996702272 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 55996702272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98399071680).

55996702272 is an abundant number, since it is smaller than the sum of its proper divisors (140801441088).

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

55996702272 is a wasteful number, since it uses less digits than its factorization.

55996702272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17800 (or 17778 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 55996702272 in words is "fifty-five billion, nine hundred ninety-six million, seven hundred two thousand, two hundred seventy-two".