52651667 has 4 divisors (see below), whose sum is σ = 53935896. Its totient is φ = 51367440.

The previous prime is 52651663. The next prime is 52651681. The reversal of 52651667 is 76615625.

52651667 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 52651667 - 2² = 52651663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52651667.

It is not an unprimeable number, because it can be changed into a prime (52651663) 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, 642053 + ... + 642134.

It is an arithmetic number, because the mean of its divisors is an integer number (13483974).

Almost surely, 2^52651667 is an apocalyptic number.

52651667 is a deficient number, since it is larger than the sum of its proper divisors (1284229).

52651667 is a wasteful number, since it uses less digits than its factorization.

52651667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284228.

The product of its digits is 75600, while the sum is 38.

The square root of 52651667 is about 7256.1468425053. The cubic root of 52651667 is about 374.8038488245.

The spelling of 52651667 in words is "fifty-two million, six hundred fifty-one thousand, six hundred sixty-seven".