55148318 has 8 divisors (see below), whose sum is σ = 85391040. Its totient is φ = 26684640.

The previous prime is 55148299. The next prime is 55148329. The reversal of 55148318 is 81384155.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444683 + ... + 444806.

It is an arithmetic number, because the mean of its divisors is an integer number (10673880).

Almost surely, 2^55148318 is an apocalyptic number.

55148318 is a deficient number, since it is larger than the sum of its proper divisors (30242722).

55148318 is a wasteful number, since it uses less digits than its factorization.

55148318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889522.

The product of its digits is 19200, while the sum is 35.

The square root of 55148318 is about 7426.1913522343. The cubic root of 55148318 is about 380.6367854954.

The spelling of 55148318 in words is "fifty-five million, one hundred forty-eight thousand, three hundred eighteen".