53463321 has 20 divisors (see below), whose sum is σ = 84070800. Its totient is φ = 33765336.

The previous prime is 53463307. The next prime is 53463337. The reversal of 53463321 is 12336435.

It is a happy number.

53463321 is a `hidden beast` number, since 5 + 3 + 4 + 633 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-53463321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53468321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15831 + ... + 18908.

It is an arithmetic number, because the mean of its divisors is an integer number (4203540).

Almost surely, 2^53463321 is an apocalyptic number.

It is an amenable number.

53463321 is a deficient number, since it is larger than the sum of its proper divisors (30607479).

53463321 is a wasteful number, since it uses less digits than its factorization.

53463321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34770 (or 34761 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 53463321 is about 7311.8616644463. The cubic root of 53463321 is about 376.7199711372.

Adding to 53463321 its reverse (12336435), we get a palindrome (65799756).

The spelling of 53463321 in words is "fifty-three million, four hundred sixty-three thousand, three hundred twenty-one".