53771013 has 8 divisors (see below), whose sum is σ = 79660800. Its totient is φ = 35847324.

The previous prime is 53771009. The next prime is 53771021. The reversal of 53771013 is 31017735.

53771013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53771013 - 2² = 53771009 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: 1991519 = 53771013 / (5 + 3 + 7 + 7 + 1 + 0 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53771093) 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 7 ways as a sum of consecutive naturals, for example, 995733 + ... + 995786.

It is an arithmetic number, because the mean of its divisors is an integer number (9957600).

Almost surely, 2^53771013 is an apocalyptic number.

It is an amenable number.

53771013 is a deficient number, since it is larger than the sum of its proper divisors (25889787).

53771013 is a wasteful number, since it uses less digits than its factorization.

53771013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991528 (or 1991522 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 53771013 is about 7332.8720839791. The cubic root of 53771013 is about 377.4412884731.

Adding to 53771013 its reverse (31017735), we get a palindrome (84788748).

The spelling of 53771013 in words is "fifty-three million, seven hundred seventy-one thousand, thirteen".