53466447 has 4 divisors (see below), whose sum is σ = 71288600. Its totient is φ = 35644296.

The previous prime is 53466433. The next prime is 53466499. The reversal of 53466447 is 74466435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53466447 - 2¹¹ = 53464399 is a prime.

It is a super-3 number, since 3×53466447³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53468447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8911072 + ... + 8911077.

It is an arithmetic number, because the mean of its divisors is an integer number (17822150).

Almost surely, 2^53466447 is an apocalyptic number.

53466447 is a deficient number, since it is larger than the sum of its proper divisors (17822153).

53466447 is a wasteful number, since it uses less digits than its factorization.

53466447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822152.

The product of its digits is 241920, while the sum is 39.

The square root of 53466447 is about 7312.0754235716. The cubic root of 53466447 is about 376.7273132655.

The spelling of 53466447 in words is "fifty-three million, four hundred sixty-six thousand, four hundred forty-seven".