55235236 has 48 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 22476960.

The previous prime is 55235209. The next prime is 55235251. The reversal of 55235236 is 63253255.

It is a junction number, because it is equal to n+sod(n) for n = 55235198 and 55235207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127941 + ... + 128371.

It is an arithmetic number, because the mean of its divisors is an integer number (2419200).

Almost surely, 2^55235236 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 55235236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58060800).

55235236 is an abundant number, since it is smaller than the sum of its proper divisors (60886364).

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

55235236 is a wasteful number, since it uses less digits than its factorization.

55235236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 662 counting only the distinct ones).

The product of its digits is 27000, while the sum is 31.

The square root of 55235236 is about 7432.0411731906. The cubic root of 55235236 is about 380.8366515019.

The spelling of 55235236 in words is "fifty-five million, two hundred thirty-five thousand, two hundred thirty-six".