53444463 has 16 divisors (see below), whose sum is σ = 72230400. Its totient is φ = 35147840.

The previous prime is 53444459. The next prime is 53444471. The reversal of 53444463 is 36444435.

It is a cyclic number.

It is not a de Polignac number, because 53444463 - 2² = 53444459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53444423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93643 + ... + 94211.

It is an arithmetic number, because the mean of its divisors is an integer number (4514400).

Almost surely, 2^53444463 is an apocalyptic number.

53444463 is a deficient number, since it is larger than the sum of its proper divisors (18785937).

53444463 is a wasteful number, since it uses less digits than its factorization.

53444463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 69120, while the sum is 33.

The square root of 53444463 is about 7310.5720022444. The cubic root of 53444463 is about 376.6756727252.

Adding to 53444463 its reverse (36444435), we get a palindrome (89888898).

The spelling of 53444463 in words is "fifty-three million, four hundred forty-four thousand, four hundred sixty-three".