55165236 has 48 divisors (see below), whose sum is σ = 149614080. Its totient is φ = 15492960.

The previous prime is 55165223. The next prime is 55165237. The reversal of 55165236 is 63256155.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55165197 and 55165206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55165237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610 + ... + 10521.

It is an arithmetic number, because the mean of its divisors is an integer number (3116960).

Almost surely, 2^55165236 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 55165236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74807040).

55165236 is an abundant number, since it is smaller than the sum of its proper divisors (94448844).

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

55165236 is a wasteful number, since it uses less digits than its factorization.

55165236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204 (or 11202 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 55165236 is about 7427.3303413811. The cubic root of 55165236 is about 380.6757045110.

The spelling of 55165236 in words is "fifty-five million, one hundred sixty-five thousand, two hundred thirty-six".