55508532 has 24 divisors (see below), whose sum is σ = 129797472. Its totient is φ = 18463200.

The previous prime is 55508513. The next prime is 55508533. The reversal of 55508532 is 23580555.

It is a junction number, because it is equal to n+sod(n) for n = 55508493 and 55508502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55508533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (5408228).

Almost surely, 2^55508532 is an apocalyptic number.

It is an amenable number.

55508532 is an abundant number, since it is smaller than the sum of its proper divisors (74288940).

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

55508532 is a wasteful number, since it uses less digits than its factorization.

55508532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919 (or 9917 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 55508532 is about 7450.4048212161. The cubic root of 55508532 is about 381.4637267281.

The spelling of 55508532 in words is "fifty-five million, five hundred eight thousand, five hundred thirty-two".