52167187 has 4 divisors (see below), whose sum is σ = 52881880. Its totient is φ = 51452496.

The previous prime is 52167173. The next prime is 52167191. The reversal of 52167187 is 78176125.

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-52167187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52164187) 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, 357237 + ... + 357382.

It is an arithmetic number, because the mean of its divisors is an integer number (13220470).

Almost surely, 2^52167187 is an apocalyptic number.

52167187 is a deficient number, since it is larger than the sum of its proper divisors (714693).

52167187 is an equidigital number, since it uses as much as digits as its factorization.

52167187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714692.

The product of its digits is 23520, while the sum is 37.

The square root of 52167187 is about 7222.6855808626. The cubic root of 52167187 is about 373.6507052699.

It can be divided in two parts, 5216 and 7187, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 52167187 in words is "fifty-two million, one hundred sixty-seven thousand, one hundred eighty-seven".