53887713 has 24 divisors (see below), whose sum is σ = 81715200. Its totient is φ = 31526880.

The previous prime is 53887679. The next prime is 53887733. The reversal of 53887713 is 31778835.

It is not a de Polignac number, because 53887713 - 2⁶ = 53887649 is a prime.

It is a super-2 number, since 2×53887713² = 5807771224740738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53887733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7968 + ... + 13086.

It is an arithmetic number, because the mean of its divisors is an integer number (3404800).

Almost surely, 2^53887713 is an apocalyptic number.

It is an amenable number.

53887713 is a deficient number, since it is larger than the sum of its proper divisors (27827487).

53887713 is a wasteful number, since it uses less digits than its factorization.

53887713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173 (or 5162 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 53887713 is about 7340.8250898656. The cubic root of 53887713 is about 377.7141465845.

The spelling of 53887713 in words is "fifty-three million, eight hundred eighty-seven thousand, seven hundred thirteen".