55183632 has 80 divisors (see below), whose sum is σ = 172524672. Its totient is φ = 14837760.

The previous prime is 55183631. The next prime is 55183637. The reversal of 55183632 is 23638155.

It is a super-2 number, since 2×55183632² = 6090466481422848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55183593 and 55183602.

It is not an unprimeable number, because it can be changed into a prime (55183631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882 + ... + 10542.

Almost surely, 2^55183632 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 55183632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86262336).

55183632 is an abundant number, since it is smaller than the sum of its proper divisors (117341040).

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

55183632 is a wasteful number, since it uses less digits than its factorization.

55183632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696 (or 9690 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 55183632 is about 7428.5686373621. The cubic root of 55183632 is about 380.7180145629.

The spelling of 55183632 in words is "fifty-five million, one hundred eighty-three thousand, six hundred thirty-two".