52994207 has 4 divisors (see below), whose sum is σ = 60564816. Its totient is φ = 45423600.

The previous prime is 52994197. The next prime is 52994209. The reversal of 52994207 is 70249925.

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 52994207 - 2⁶ = 52994143 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 (52994209) 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, 3785294 + ... + 3785307.

It is an arithmetic number, because the mean of its divisors is an integer number (15141204).

Almost surely, 2^52994207 is an apocalyptic number.

52994207 is a deficient number, since it is larger than the sum of its proper divisors (7570609).

52994207 is an equidigital number, since it uses as much as digits as its factorization.

52994207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570608.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 52994207 is about 7279.7120135346. The cubic root of 52994207 is about 375.6148892861.

The spelling of 52994207 in words is "fifty-two million, nine hundred ninety-four thousand, two hundred seven".