55612266 has 8 divisors (see below), whose sum is σ = 111224544. Its totient is φ = 18537420.

The previous prime is 55612247. The next prime is 55612267. The reversal of 55612266 is 66221655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

55612266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55612267) 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, 4634350 + ... + 4634361.

It is an arithmetic number, because the mean of its divisors is an integer number (13903068).

Almost surely, 2^55612266 is an apocalyptic number.

55612266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55612266 is a wasteful number, since it uses less digits than its factorization.

55612266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268716.

The product of its digits is 21600, while the sum is 33.

The square root of 55612266 is about 7457.3632069251. The cubic root of 55612266 is about 381.7012045386.

The spelling of 55612266 in words is "fifty-five million, six hundred twelve thousand, two hundred sixty-six".