53332911 has 28 divisors (see below), whose sum is σ = 80663400. Its totient is φ = 35244720.

The previous prime is 53332907. The next prime is 53332913. The reversal of 53332911 is 11923335.

It is a happy number.

It is not a de Polignac number, because 53332911 - 2² = 53332907 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53332913) 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 27 ways as a sum of consecutive naturals, for example, 108376 + ... + 108866.

Almost surely, 2^53332911 is an apocalyptic number.

53332911 is a deficient number, since it is larger than the sum of its proper divisors (27330489).

53332911 is an equidigital number, since it uses as much as digits as its factorization.

53332911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 643 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 53332911 is about 7302.9385181583. The cubic root of 53332911 is about 376.4134179726.

The spelling of 53332911 in words is "fifty-three million, three hundred thirty-two thousand, nine hundred eleven".