53366013 has 8 divisors (see below), whose sum is σ = 79060800. Its totient is φ = 35577324.

The previous prime is 53366011. The next prime is 53366017. The reversal of 53366013 is 31066335.

53366013 is a `hidden beast` number, since 53 + 3 + 6 + 601 + 3 = 666.

It is not a de Polignac number, because 53366013 - 2¹ = 53366011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1976519 = 53366013 / (5 + 3 + 3 + 6 + 6 + 0 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53366011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988233 + ... + 988286.

It is an arithmetic number, because the mean of its divisors is an integer number (9882600).

Almost surely, 2^53366013 is an apocalyptic number.

It is an amenable number.

53366013 is a deficient number, since it is larger than the sum of its proper divisors (25694787).

53366013 is a wasteful number, since it uses less digits than its factorization.

53366013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976528 (or 1976522 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 53366013 is about 7305.2045145910. The cubic root of 53366013 is about 376.4912777142.

The spelling of 53366013 in words is "fifty-three million, three hundred sixty-six thousand, thirteen".