52146147 has 16 divisors (see below), whose sum is σ = 73152000. Its totient is φ = 32993184.

The previous prime is 52146139. The next prime is 52146169. The reversal of 52146147 is 74164125.

It is not a de Polignac number, because 52146147 - 2³ = 52146139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52146187) 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 15 ways as a sum of consecutive naturals, for example, 54 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (4572000).

Almost surely, 2^52146147 is an apocalyptic number.

52146147 is a deficient number, since it is larger than the sum of its proper divisors (21005853).

52146147 is a wasteful number, since it uses less digits than its factorization.

52146147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250.

The product of its digits is 6720, while the sum is 30.

The square root of 52146147 is about 7221.2289120343. The cubic root of 52146147 is about 373.6004650810.

The spelling of 52146147 in words is "fifty-two million, one hundred forty-six thousand, one hundred forty-seven".