55506267 has 24 divisors (see below), whose sum is σ = 81628560. Its totient is φ = 36340800.

The previous prime is 55506247. The next prime is 55506281. The reversal of 55506267 is 76260555.

It is not a de Polignac number, because 55506267 - 2¹⁴ = 55489883 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55506247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206209 + ... + 206477.

It is an arithmetic number, because the mean of its divisors is an integer number (3401190).

Almost surely, 2^55506267 is an apocalyptic number.

55506267 is a deficient number, since it is larger than the sum of its proper divisors (26122293).

55506267 is a wasteful number, since it uses less digits than its factorization.

55506267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 55506267 is about 7450.2528145023. The cubic root of 55506267 is about 381.4585381738.

The spelling of 55506267 in words is "fifty-five million, five hundred six thousand, two hundred sixty-seven".