55503545152 has 28 divisors (see below), whose sum is σ = 120152562336. Its totient is φ = 25228883840.

The previous prime is 55503545129. The next prime is 55503545173. The reversal of 55503545152 is 25154530555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39419428 + ... + 39420835.

Almost surely, 2^55503545152 is an apocalyptic number.

It is an amenable number.

55503545152 is an abundant number, since it is smaller than the sum of its proper divisors (64649017184).

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

55503545152 is a wasteful number, since it uses less digits than its factorization.

55503545152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78840286 (or 78840276 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 55503545152 in words is "fifty-five billion, five hundred three million, five hundred forty-five thousand, one hundred fifty-two".