55168247 has 8 divisors (see below), whose sum is σ = 59838912. Its totient is φ = 50656000.

The previous prime is 55168241. The next prime is 55168277. The reversal of 55168247 is 74286155.

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

It is a cyclic number.

It is not a de Polignac number, because 55168247 - 2⁴ = 55168231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55168247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55168241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38879 + ... + 40272.

It is an arithmetic number, because the mean of its divisors is an integer number (7479864).

Almost surely, 2^55168247 is an apocalyptic number.

55168247 is a deficient number, since it is larger than the sum of its proper divisors (4670665).

55168247 is a wasteful number, since it uses less digits than its factorization.

55168247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79209.

The product of its digits is 67200, while the sum is 38.

The square root of 55168247 is about 7427.5330359413. The cubic root of 55168247 is about 380.6826303323.

The spelling of 55168247 in words is "fifty-five million, one hundred sixty-eight thousand, two hundred forty-seven".