53039893 has 2 divisors, whose sum is σ = 53039894. Its totient is φ = 53039892.

The previous prime is 53039873. The next prime is 53039933. The reversal of 53039893 is 39893035.

It is an a-pointer prime, because the next prime (53039933) can be obtained adding 53039893 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52388644 + 651249 = 7238^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 53039893 - 2¹³ = 53031701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53039843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26519946 + 26519947.

It is an arithmetic number, because the mean of its divisors is an integer number (26519947).

Almost surely, 2^53039893 is an apocalyptic number.

It is an amenable number.

53039893 is a deficient number, since it is larger than the sum of its proper divisors (1).

53039893 is an equidigital number, since it uses as much as digits as its factorization.

53039893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 53039893 is about 7282.8492363909. The cubic root of 53039893 is about 375.7227967593.

The spelling of 53039893 in words is "fifty-three million, thirty-nine thousand, eight hundred ninety-three".