55132245 has 40 divisors (see below), whose sum is σ = 112953984. Its totient is φ = 25202016.

The previous prime is 55132237. The next prime is 55132271. The reversal of 55132245 is 54223155.

It is a happy number.

It is not a de Polignac number, because 55132245 - 2³ = 55132237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6889 + ... + 12558.

Almost surely, 2^55132245 is an apocalyptic number.

It is an amenable number.

55132245 is an abundant number, since it is smaller than the sum of its proper divisors (57821739).

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

55132245 is a wasteful number, since it uses less digits than its factorization.

55132245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19471 (or 19462 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55132245 is about 7425.1090901077. The cubic root of 55132245 is about 380.5998029863.

The spelling of 55132245 in words is "fifty-five million, one hundred thirty-two thousand, two hundred forty-five".