55045236 has 12 divisors (see below), whose sum is σ = 128438912. Its totient is φ = 18348408.

The previous prime is 55045231. The next prime is 55045259. The reversal of 55045236 is 63254055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55045231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293540 + ... + 2293563.

Almost surely, 2^55045236 is an apocalyptic number.

It is an amenable number.

55045236 is an abundant number, since it is smaller than the sum of its proper divisors (73393676).

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

55045236 is a wasteful number, since it uses less digits than its factorization.

55045236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587110 (or 4587108 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55045236 is about 7419.2476707548. The cubic root of 55045236 is about 380.3994783280.

The spelling of 55045236 in words is "fifty-five million, forty-five thousand, two hundred thirty-six".