55522567 has 4 divisors (see below), whose sum is σ = 55542640. Its totient is φ = 55502496.

The previous prime is 55522531. The next prime is 55522603. The reversal of 55522567 is 76522555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76522555 = 5 ⋅15304511.

It is an interprime number because it is at equal distance from previous prime (55522531) and next prime (55522603).

It is a cyclic number.

It is not a de Polignac number, because 55522567 - 2¹⁵ = 55489799 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 (55522367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067 + ... + 11692.

It is an arithmetic number, because the mean of its divisors is an integer number (13885660).

Almost surely, 2^55522567 is an apocalyptic number.

55522567 is a deficient number, since it is larger than the sum of its proper divisors (20073).

55522567 is a wasteful number, since it uses less digits than its factorization.

55522567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20072.

The product of its digits is 105000, while the sum is 37.

The square root of 55522567 is about 7451.3466568131. The cubic root of 55522567 is about 381.4958742920.

The spelling of 55522567 in words is "fifty-five million, five hundred twenty-two thousand, five hundred sixty-seven".