52015667 has 4 divisors (see below), whose sum is σ = 56744376. Its totient is φ = 47286960.

The previous prime is 52015643. The next prime is 52015669. The reversal of 52015667 is 76651025.

It is a happy number.

52015667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52015667 - 2¹⁰ = 52014643 is a prime.

It is a super-2 number, since 2×52015667² = 5411259226909778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52015669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364338 + ... + 2364359.

It is an arithmetic number, because the mean of its divisors is an integer number (14186094).

Almost surely, 2^52015667 is an apocalyptic number.

52015667 is a deficient number, since it is larger than the sum of its proper divisors (4728709).

52015667 is a wasteful number, since it uses less digits than its factorization.

52015667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728708.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 52015667 is about 7212.1887801138. The cubic root of 52015667 is about 373.2885973359.

The spelling of 52015667 in words is "fifty-two million, fifteen thousand, six hundred sixty-seven".