53391367 has 8 divisors (see below), whose sum is σ = 54220320. Its totient is φ = 52567680.

The previous prime is 53391347. The next prime is 53391383. The reversal of 53391367 is 76319335.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53391367 - 2¹⁹ = 52867079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53391347) 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, 22267 + ... + 24547.

It is an arithmetic number, because the mean of its divisors is an integer number (6777540).

Almost surely, 2^53391367 is an apocalyptic number.

53391367 is a deficient number, since it is larger than the sum of its proper divisors (828953).

53391367 is a wasteful number, since it uses less digits than its factorization.

53391367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633.

The product of its digits is 51030, while the sum is 37.

The square root of 53391367 is about 7306.9396466647. The cubic root of 53391367 is about 376.5508914897.

The spelling of 53391367 in words is "fifty-three million, three hundred ninety-one thousand, three hundred sixty-seven".