53583973 has 2 divisors, whose sum is σ = 53583974. Its totient is φ = 53583972.

The previous prime is 53583953. The next prime is 53583989. The reversal of 53583973 is 37938535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 4485924 = 7007^2 + 2118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53583973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53583953) 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 as a sum of consecutive naturals, namely, 26791986 + 26791987.

It is an arithmetic number, because the mean of its divisors is an integer number (26791987).

Almost surely, 2^53583973 is an apocalyptic number.

It is an amenable number.

53583973 is a deficient number, since it is larger than the sum of its proper divisors (1).

53583973 is an equidigital number, since it uses as much as digits as its factorization.

53583973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 53583973 is about 7320.1074445666. The cubic root of 53583973 is about 377.0031426587.

The spelling of 53583973 in words is "fifty-three million, five hundred eighty-three thousand, nine hundred seventy-three".