55089452 has 48 divisors (see below), whose sum is σ = 113799168. Its totient is φ = 23051520.

The previous prime is 55089451. The next prime is 55089457. The reversal of 55089452 is 25498055.

It is not an unprimeable number, because it can be changed into a prime (55089451) 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, 34373 + ... + 35939.

It is an arithmetic number, because the mean of its divisors is an integer number (2370816).

Almost surely, 2^55089452 is an apocalyptic number.

It is an amenable number.

55089452 is an abundant number, since it is smaller than the sum of its proper divisors (58709716).

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

55089452 is a wasteful number, since it uses less digits than its factorization.

55089452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 55089452 is about 7422.2268895528. The cubic root of 55089452 is about 380.5013051344.

The spelling of 55089452 in words is "fifty-five million, eighty-nine thousand, four hundred fifty-two".