55360445 has 12 divisors (see below), whose sum is σ = 77279004. Its totient is φ = 37961280.

The previous prime is 55360441. The next prime is 55360453. The reversal of 55360445 is 54406355.

It can be written as a sum of positive squares in 2 ways, for example, as 7722841 + 47637604 = 2779^2 + 6902^2 .

It is not a de Polignac number, because 55360445 - 2² = 55360441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55360441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112736 + ... + 113225.

It is an arithmetic number, because the mean of its divisors is an integer number (6439917).

Almost surely, 2^55360445 is an apocalyptic number.

It is an amenable number.

55360445 is a deficient number, since it is larger than the sum of its proper divisors (21918559).

55360445 is a wasteful number, since it uses less digits than its factorization.

55360445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225980 (or 225973 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55360445 is about 7440.4599992205. The cubic root of 55360445 is about 381.1241985726.

The spelling of 55360445 in words is "fifty-five million, three hundred sixty thousand, four hundred forty-five".