55695559606272 has 150 divisors (see below), whose sum is σ = 166394005185408. Its totient is φ = 18565186093056.

The previous prime is 55695559606237. The next prime is 55695559606279. The reversal of 55695559606272 is 27260695559655.

55695559606272 is a `hidden beast` number, since 5 + 5 + 6 + 9 + 5 + 5 + 5 + 9 + 606 + 2 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 55695559606272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55695559606279) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19656768 + ... + 22310975.

Almost surely, 2^{55695559606272} is an apocalyptic number.

It is an amenable number.

55695559606272 is an abundant number, since it is smaller than the sum of its proper divisors (110698445579136).

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

55695559606272 is an frugal number, since it uses more digits than its factorization.

55695559606272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41967783 (or 41967748 counting only the distinct ones).

The product of its (nonzero) digits is 1530900000, while the sum is 72.

The spelling of 55695559606272 in words is "fifty-five trillion, six hundred ninety-five billion, five hundred fifty-nine million, six hundred six thousand, two hundred seventy-two".