52670399 has 4 divisors (see below), whose sum is σ = 53895336. Its totient is φ = 51445464.

The previous prime is 52670383. The next prime is 52670407. The reversal of 52670399 is 99307625.

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 52670399 - 2⁴ = 52670383 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 (52676399) 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, 612404 + ... + 612489.

It is an arithmetic number, because the mean of its divisors is an integer number (13473834).

Almost surely, 2^52670399 is an apocalyptic number.

52670399 is a deficient number, since it is larger than the sum of its proper divisors (1224937).

52670399 is a wasteful number, since it uses less digits than its factorization.

52670399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224936.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 52670399 is about 7257.4374954250. The cubic root of 52670399 is about 374.8482918191.

The spelling of 52670399 in words is "fifty-two million, six hundred seventy thousand, three hundred ninety-nine".