52207615 has 4 divisors (see below), whose sum is σ = 62649144. Its totient is φ = 41766088.

The previous prime is 52207613. The next prime is 52207651. The reversal of 52207615 is 51670225.

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 52207615 - 2¹ = 52207613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52207613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220757 + ... + 5220766.

It is an arithmetic number, because the mean of its divisors is an integer number (15662286).

Almost surely, 2^52207615 is an apocalyptic number.

52207615 is a deficient number, since it is larger than the sum of its proper divisors (10441529).

52207615 is a wasteful number, since it uses less digits than its factorization.

52207615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441528.

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

The square root of 52207615 is about 7225.4837208314. The cubic root of 52207615 is about 373.7472030305.

The spelling of 52207615 in words is "fifty-two million, two hundred seven thousand, six hundred fifteen".