52447403 has 4 divisors (see below), whose sum is σ = 52469208. Its totient is φ = 52425600.

The previous prime is 52447393. The next prime is 52447411. The reversal of 52447403 is 30474425.

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 52447403 - 2¹⁶ = 52381867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52447453) 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, 6773 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (13117302).

Almost surely, 2^52447403 is an apocalyptic number.

52447403 is a deficient number, since it is larger than the sum of its proper divisors (21805).

52447403 is a wasteful number, since it uses less digits than its factorization.

52447403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21804.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 52447403 is about 7242.0579257556. The cubic root of 52447403 is about 374.3185324294.

The spelling of 52447403 in words is "fifty-two million, four hundred forty-seven thousand, four hundred three".