53346993 has 16 divisors (see below), whose sum is σ = 82131840. Its totient is φ = 30168576.

The previous prime is 53346983. The next prime is 53347039. The reversal of 53346993 is 39964335.

It is not a de Polignac number, because 53346993 - 2⁴ = 53346977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53346973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11058 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (5133240).

Almost surely, 2^53346993 is an apocalyptic number.

It is an amenable number.

53346993 is a deficient number, since it is larger than the sum of its proper divisors (28784847).

53346993 is a wasteful number, since it uses less digits than its factorization.

53346993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26296.

The product of its digits is 262440, while the sum is 42.

The square root of 53346993 is about 7303.9025869736. The cubic root of 53346993 is about 376.4465444055.

The spelling of 53346993 in words is "fifty-three million, three hundred forty-six thousand, nine hundred ninety-three".