55353445 has 32 divisors (see below), whose sum is σ = 82999296. Its totient is φ = 34560000.

The previous prime is 55353439. The next prime is 55353469. The reversal of 55353445 is 54435355.

It is not a de Polignac number, because 55353445 - 2³ = 55353437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55353445.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16945 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (2593728).

Almost surely, 2^55353445 is an apocalyptic number.

It is an amenable number.

55353445 is a deficient number, since it is larger than the sum of its proper divisors (27645851).

55353445 is a wasteful number, since it uses less digits than its factorization.

55353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061.

The product of its digits is 90000, while the sum is 34.

The square root of 55353445 is about 7439.9895833260. The cubic root of 55353445 is about 381.1081342638.

The spelling of 55353445 in words is "fifty-five million, three hundred fifty-three thousand, four hundred forty-five".