52215067 has 8 divisors (see below), whose sum is σ = 54138240. Its totient is φ = 50306880.

The previous prime is 52215049. The next prime is 52215071. The reversal of 52215067 is 76051225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52215067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52212067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (6767280).

Almost surely, 2^52215067 is an apocalyptic number.

52215067 is a deficient number, since it is larger than the sum of its proper divisors (1923173).

52215067 is a wasteful number, since it uses less digits than its factorization.

52215067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52215067 is about 7225.9993772488. Note that the first 3 decimals coincide. The cubic root of 52215067 is about 373.7649848021.

The spelling of 52215067 in words is "fifty-two million, two hundred fifteen thousand, sixty-seven".