55530423516 has 24 divisors (see below), whose sum is σ = 129575157264. Its totient is φ = 18509545600.

The previous prime is 55530423491. The next prime is 55530423563. The reversal of 55530423516 is 61532403555.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478066 + ... + 582758.

It is an arithmetic number, because the mean of its divisors is an integer number (5398964886).

Almost surely, 2^55530423516 is an apocalyptic number.

It is an amenable number.

55530423516 is an abundant number, since it is smaller than the sum of its proper divisors (74044733748).

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

55530423516 is a wasteful number, since it uses less digits than its factorization.

55530423516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148901 (or 148899 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 55530423516 in words is "fifty-five billion, five hundred thirty million, four hundred twenty-three thousand, five hundred sixteen".