55522565 has 16 divisors (see below), whose sum is σ = 77284992. Its totient is φ = 37502784.

The previous prime is 55522531. The next prime is 55522603. The reversal of 55522565 is 56522555.

55522565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55522565 - 2⁸ = 55522309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 9494 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (4830312).

Almost surely, 2^55522565 is an apocalyptic number.

It is an amenable number.

55522565 is a deficient number, since it is larger than the sum of its proper divisors (21762427).

55522565 is a wasteful number, since it uses less digits than its factorization.

55522565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23756.

The product of its digits is 75000, while the sum is 35.

The square root of 55522565 is about 7451.3465226092. The cubic root of 55522565 is about 381.4958697113.

The spelling of 55522565 in words is "fifty-five million, five hundred twenty-two thousand, five hundred sixty-five".