55233625616 has 40 divisors (see below), whose sum is σ = 115347539160. Its totient is φ = 25470222336.

The previous prime is 55233625589. The next prime is 55233625633. The reversal of 55233625616 is 61652633255.

It can be written as a sum of positive squares in 4 ways, for example, as 14670054400 + 40563571216 = 121120^2 + 201404^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124670 + ... + 354978.

It is an arithmetic number, because the mean of its divisors is an integer number (2883688479).

Almost surely, 2^55233625616 is an apocalyptic number.

It is an amenable number.

55233625616 is an abundant number, since it is smaller than the sum of its proper divisors (60113913544).

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

55233625616 is a wasteful number, since it uses less digits than its factorization.

55233625616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231483 (or 231477 counting only the distinct ones).

The product of its digits is 972000, while the sum is 44.

The spelling of 55233625616 in words is "fifty-five billion, two hundred thirty-three million, six hundred twenty-five thousand, six hundred sixteen".