55205236 has 6 divisors (see below), whose sum is σ = 96609170. Its totient is φ = 27602616.

The previous prime is 55205207. The next prime is 55205243. The reversal of 55205236 is 63250255.

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 24068836 = 5580^2 + 4906^2 .

It is a super-3 number, since 3×55205236³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900651 + ... + 6900658.

Almost surely, 2^55205236 is an apocalyptic number.

It is an amenable number.

55205236 is a deficient number, since it is larger than the sum of its proper divisors (41403934).

55205236 is a wasteful number, since it uses less digits than its factorization.

55205236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13801313 (or 13801311 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 55205236 is about 7430.0226110019. The cubic root of 55205236 is about 380.7676908804.

The spelling of 55205236 in words is "fifty-five million, two hundred five thousand, two hundred thirty-six".