55635632 has 20 divisors (see below), whose sum is σ = 116086320. Its totient is φ = 25677888.

The previous prime is 55635631. The next prime is 55635641. The reversal of 55635632 is 23653655.

55635632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55635592 and 55635601.

It is not an unprimeable number, because it can be changed into a prime (55635631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133532 + ... + 133947.

It is an arithmetic number, because the mean of its divisors is an integer number (5804316).

Almost surely, 2^55635632 is an apocalyptic number.

55635632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55635632 is an abundant number, since it is smaller than the sum of its proper divisors (60450688).

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

55635632 is a wasteful number, since it uses less digits than its factorization.

55635632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267500 (or 267494 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

The square root of 55635632 is about 7458.9296819316. The cubic root of 55635632 is about 381.7546554657.

The spelling of 55635632 in words is "fifty-five million, six hundred thirty-five thousand, six hundred thirty-two".