55006569 has 12 divisors (see below), whose sum is σ = 79528176. Its totient is φ = 36636792.

The previous prime is 55006559. The next prime is 55006579. The reversal of 55006569 is 96560055.

It is an interprime number because it is at equal distance from previous prime (55006559) and next prime (55006579).

It is not a de Polignac number, because 55006569 - 2⁸ = 55006313 is a prime.

It is a super-2 number, since 2×55006569² = 6051445266303522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55006559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10702 + ... + 14984.

It is an arithmetic number, because the mean of its divisors is an integer number (6627348).

Almost surely, 2^55006569 is an apocalyptic number.

It is an amenable number.

55006569 is a deficient number, since it is larger than the sum of its proper divisors (24521607).

55006569 is a wasteful number, since it uses less digits than its factorization.

55006569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 55006569 is about 7416.6413557621. The cubic root of 55006569 is about 380.3103858338.

The spelling of 55006569 in words is "fifty-five million, six thousand, five hundred sixty-nine".