55204265 has 4 divisors (see below), whose sum is σ = 66245124. Its totient is φ = 44163408.

The previous prime is 55204243. The next prime is 55204283. The reversal of 55204265 is 56240255.

55204265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56240255 = 5 ⋅11248051.

It can be written as a sum of positive squares in 2 ways, for example, as 38987536 + 16216729 = 6244^2 + 4027^2 .

It is a cyclic number.

It is not a de Polignac number, because 55204265 - 2²² = 51009961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520422 + ... + 5520431.

It is an arithmetic number, because the mean of its divisors is an integer number (16561281).

Almost surely, 2^55204265 is an apocalyptic number.

It is an amenable number.

55204265 is a deficient number, since it is larger than the sum of its proper divisors (11040859).

55204265 is a wasteful number, since it uses less digits than its factorization.

55204265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040858.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55204265 is about 7429.9572677102. The cubic root of 55204265 is about 380.7654584376.

The spelling of 55204265 in words is "fifty-five million, two hundred four thousand, two hundred sixty-five".