52147007 has 24 divisors (see below), whose sum is σ = 61535376. Its totient is φ = 44000000.

The previous prime is 52146979. The next prime is 52147019. The reversal of 52147007 is 70074125.

It is not a de Polignac number, because 52147007 - 2²⁰ = 51098431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52147057) 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 23 ways as a sum of consecutive naturals, for example, 207632 + ... + 207882.

It is an arithmetic number, because the mean of its divisors is an integer number (2563974).

Almost surely, 2^52147007 is an apocalyptic number.

52147007 is a deficient number, since it is larger than the sum of its proper divisors (9388369).

52147007 is a wasteful number, since it uses less digits than its factorization.

52147007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 52147007 is about 7221.2884584401. The cubic root of 52147007 is about 373.6025188897.

It can be divided in two parts, 5214 and 7007, that added together give a palindrome (12221).

The spelling of 52147007 in words is "fifty-two million, one hundred forty-seven thousand, seven".