55169243 has 8 divisors (see below), whose sum is σ = 57250176. Its totient is φ = 53107200.

The previous prime is 55169197. The next prime is 55169269. The reversal of 55169243 is 34296155.

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 55169243 - 2¹⁰ = 55168219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55169273) 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, 1373 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (7156272).

Almost surely, 2^55169243 is an apocalyptic number.

55169243 is a deficient number, since it is larger than the sum of its proper divisors (2080933).

55169243 is a wasteful number, since it uses less digits than its factorization.

55169243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445.

The product of its digits is 32400, while the sum is 35.

The square root of 55169243 is about 7427.6000834725. The cubic root of 55169243 is about 380.6849212493.

The spelling of 55169243 in words is "fifty-five million, one hundred sixty-nine thousand, two hundred forty-three".