53290093 has 4 divisors (see below), whose sum is σ = 53423388. Its totient is φ = 53156800.

The previous prime is 53290063. The next prime is 53290099. The reversal of 53290093 is 39009235.

53290093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51796809 + 1493284 = 7197^2 + 1222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53290093 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53290099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66046 + ... + 66847.

It is an arithmetic number, because the mean of its divisors is an integer number (13355847).

Almost surely, 2^53290093 is an apocalyptic number.

It is an amenable number.

53290093 is a deficient number, since it is larger than the sum of its proper divisors (133295).

53290093 is a wasteful number, since it uses less digits than its factorization.

53290093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133294.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 53290093 is about 7300.0063698602. The cubic root of 53290093 is about 376.3126572692.

The spelling of 53290093 in words is "fifty-three million, two hundred ninety thousand, ninety-three".