55241239 has 8 divisors (see below), whose sum is σ = 57802752. Its totient is φ = 52693080.

The previous prime is 55241237. The next prime is 55241257. The reversal of 55241239 is 93214255.

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 55241239 - 2¹ = 55241237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55241239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55241237) 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, 5674 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (7225344).

Almost surely, 2^55241239 is an apocalyptic number.

55241239 is a deficient number, since it is larger than the sum of its proper divisors (2561513).

55241239 is a wasteful number, since it uses less digits than its factorization.

55241239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677.

The product of its digits is 10800, while the sum is 31.

The square root of 55241239 is about 7432.4450216601. The cubic root of 55241239 is about 380.8504475239.

The spelling of 55241239 in words is "fifty-five million, two hundred forty-one thousand, two hundred thirty-nine".