53893013 has 2 divisors, whose sum is σ = 53893014. Its totient is φ = 53893012.

The previous prime is 53893001. The next prime is 53893031. The reversal of 53893013 is 31039835.

Together with next prime (53893031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 339889 = 7318^2 + 583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53893013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53893813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26946506 + 26946507.

It is an arithmetic number, because the mean of its divisors is an integer number (26946507).

Almost surely, 2^53893013 is an apocalyptic number.

It is an amenable number.

53893013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53893013 is an equidigital number, since it uses as much as digits as its factorization.

53893013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 53893013 is about 7341.1860758327. The cubic root of 53893013 is about 377.7265292425.

The spelling of 53893013 in words is "fifty-three million, eight hundred ninety-three thousand, thirteen".