55306663632 has 240 divisors, whose sum is σ = 171147278016. Its totient is φ = 16533504000.

The previous prime is 55306663619. The next prime is 55306663639. The reversal of 55306663632 is 23636660355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55306663639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40047582 + ... + 40048962.

Almost surely, 2^55306663632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55306663632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85573639008).

55306663632 is an abundant number, since it is smaller than the sum of its proper divisors (115840614384).

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

55306663632 is a wasteful number, since it uses less digits than its factorization.

55306663632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 55306663632 in words is "fifty-five billion, three hundred six million, six hundred sixty-three thousand, six hundred thirty-two".