52148218 has 8 divisors (see below), whose sum is σ = 78819840. Its totient is φ = 25874940.

The previous prime is 52148203. The next prime is 52148221. The reversal of 52148218 is 81284125.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52148218.

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, 99258 + ... + 99781.

It is an arithmetic number, because the mean of its divisors is an integer number (9852480).

Almost surely, 2^52148218 is an apocalyptic number.

52148218 is a deficient number, since it is larger than the sum of its proper divisors (26671622).

52148218 is a wasteful number, since it uses less digits than its factorization.

52148218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199172.

The product of its digits is 5120, while the sum is 31.

The square root of 52148218 is about 7221.3723072557. The cubic root of 52148218 is about 373.6054109006.

The spelling of 52148218 in words is "fifty-two million, one hundred forty-eight thousand, two hundred eighteen".