55365445 has 16 divisors (see below), whose sum is σ = 67744512. Its totient is φ = 43429120.

The previous prime is 55365433. The next prime is 55365451. The reversal of 55365445 is 54456355.

It is not a de Polignac number, because 55365445 - 2¹⁷ = 55234373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93069 + ... + 93661.

It is an arithmetic number, because the mean of its divisors is an integer number (4234032).

Almost surely, 2^55365445 is an apocalyptic number.

It is an amenable number.

55365445 is a deficient number, since it is larger than the sum of its proper divisors (12379067).

55365445 is a wasteful number, since it uses less digits than its factorization.

55365445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932.

The product of its digits is 180000, while the sum is 37.

The square root of 55365445 is about 7440.7959923653. The cubic root of 55365445 is about 381.1356722498.

The spelling of 55365445 in words is "fifty-five million, three hundred sixty-five thousand, four hundred forty-five".