52946447 has 4 divisors (see below), whose sum is σ = 53584440. Its totient is φ = 52308456.

The previous prime is 52946363. The next prime is 52946479. The reversal of 52946447 is 74464925.

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 52946447 - 2¹⁶ = 52880911 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 (52945447) 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, 318872 + ... + 319037.

It is an arithmetic number, because the mean of its divisors is an integer number (13396110).

Almost surely, 2^52946447 is an apocalyptic number.

52946447 is a deficient number, since it is larger than the sum of its proper divisors (637993).

52946447 is an equidigital number, since it uses as much as digits as its factorization.

52946447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637992.

The product of its digits is 241920, while the sum is 41.

The square root of 52946447 is about 7276.4309245673. The cubic root of 52946447 is about 375.5020168296.

The spelling of 52946447 in words is "fifty-two million, nine hundred forty-six thousand, four hundred forty-seven".