53811607 has 4 divisors (see below), whose sum is σ = 53841816. Its totient is φ = 53781400.

The previous prime is 53811581. The next prime is 53811631. The reversal of 53811607 is 70611835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53811607 - 2⁷ = 53811479 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53811677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12253 + ... + 16054.

It is an arithmetic number, because the mean of its divisors is an integer number (13460454).

Almost surely, 2^53811607 is an apocalyptic number.

53811607 is a deficient number, since it is larger than the sum of its proper divisors (30209).

53811607 is a wasteful number, since it uses less digits than its factorization.

53811607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30208.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 53811607 is about 7335.6395085909. The cubic root of 53811607 is about 377.5362466840.

The spelling of 53811607 in words is "fifty-three million, eight hundred eleven thousand, six hundred seven".