55656616254 has 8 divisors (see below), whose sum is σ = 111313232520. Its totient is φ = 18552205416.

The previous prime is 55656616247. The next prime is 55656616277. The reversal of 55656616254 is 45261665655.

It is a sphenic number, since it is the product of 3 distinct primes.

55656616254 is an admirable number.

It is a super-3 number, since 3×55656616254³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55656616197 and 55656616206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638051349 + ... + 4638051360.

It is an arithmetic number, because the mean of its divisors is an integer number (13914154065).

Almost surely, 2^55656616254 is an apocalyptic number.

55656616254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55656616254 is a wasteful number, since it uses less digits than its factorization.

55656616254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276102714.

The product of its digits is 6480000, while the sum is 51.

The spelling of 55656616254 in words is "fifty-five billion, six hundred fifty-six million, six hundred sixteen thousand, two hundred fifty-four".