55148459 has 8 divisors (see below), whose sum is σ = 60406560. Its totient is φ = 50114176.

The previous prime is 55148447. The next prime is 55148479. The reversal of 55148459 is 95484155.

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 55148459 - 2²⁴ = 38371243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55148479) 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 7 ways as a sum of consecutive naturals, for example, 55439 + ... + 56424.

It is an arithmetic number, because the mean of its divisors is an integer number (7550820).

Almost surely, 2^55148459 is an apocalyptic number.

55148459 is a deficient number, since it is larger than the sum of its proper divisors (5258101).

55148459 is a wasteful number, since it uses less digits than its factorization.

55148459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111909.

The product of its digits is 144000, while the sum is 41.

The square root of 55148459 is about 7426.2008456545. The cubic root of 55148459 is about 380.6371098918.

The spelling of 55148459 in words is "fifty-five million, one hundred forty-eight thousand, four hundred fifty-nine".