55227069 has 16 divisors (see below), whose sum is σ = 82093440. Its totient is φ = 36694080.

The previous prime is 55227061. The next prime is 55227119. The reversal of 55227069 is 96072255.

55227069 is a `hidden beast` number, since 5 + 522 + 70 + 69 = 666.

It is not a de Polignac number, because 55227069 - 2³ = 55227061 is a prime.

It is a super-2 number, since 2×55227069² = 6100058300661522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55227061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5109 + ... + 11685.

It is an arithmetic number, because the mean of its divisors is an integer number (5130840).

Almost surely, 2^55227069 is an apocalyptic number.

It is an amenable number.

55227069 is a deficient number, since it is larger than the sum of its proper divisors (26866371).

55227069 is a wasteful number, since it uses less digits than its factorization.

55227069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6891 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 55227069 is about 7431.4917075914. The cubic root of 55227069 is about 380.8178805961.

The spelling of 55227069 in words is "fifty-five million, two hundred twenty-seven thousand, sixty-nine".