52151667 has 4 divisors (see below), whose sum is σ = 69535560. Its totient is φ = 34767776.

The previous prime is 52151591. The next prime is 52151669. The reversal of 52151667 is 76615125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52151667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52151669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8691942 + ... + 8691947.

It is an arithmetic number, because the mean of its divisors is an integer number (17383890).

Almost surely, 2^52151667 is an apocalyptic number.

52151667 is a deficient number, since it is larger than the sum of its proper divisors (17383893).

52151667 is a wasteful number, since it uses less digits than its factorization.

52151667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17383892.

The product of its digits is 12600, while the sum is 33.

The square root of 52151667 is about 7221.6111083331. The cubic root of 52151667 is about 373.6136472745.

The spelling of 52151667 in words is "fifty-two million, one hundred fifty-one thousand, six hundred sixty-seven".