55633236 has 24 divisors (see below), whose sum is σ = 130468800. Its totient is φ = 18450432.

The previous prime is 55633229. The next prime is 55633247. The reversal of 55633236 is 63233655.

It is a junction number, because it is equal to n+sod(n) for n = 55633197 and 55633206.

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, 9261 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (5436200).

Almost surely, 2^55633236 is an apocalyptic number.

It is an amenable number.

55633236 is an abundant number, since it is smaller than the sum of its proper divisors (74835564).

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

55633236 is a wasteful number, since it uses less digits than its factorization.

55633236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23503 (or 23501 counting only the distinct ones).

The product of its digits is 48600, while the sum is 33.

The square root of 55633236 is about 7458.7690673462. The cubic root of 55633236 is about 381.7491751811.

The spelling of 55633236 in words is "fifty-five million, six hundred thirty-three thousand, two hundred thirty-six".