53872367 has 4 divisors (see below), whose sum is σ = 53992800. Its totient is φ = 53751936.

The previous prime is 53872349. The next prime is 53872393. The reversal of 53872367 is 76327835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76327835 = 5 ⋅15265567.

It is a cyclic number.

It is not a de Polignac number, because 53872367 - 2¹⁰ = 53871343 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 (53872307) 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, 59543 + ... + 60440.

It is an arithmetic number, because the mean of its divisors is an integer number (13498200).

Almost surely, 2^53872367 is an apocalyptic number.

53872367 is a deficient number, since it is larger than the sum of its proper divisors (120433).

53872367 is a wasteful number, since it uses less digits than its factorization.

53872367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120432.

The product of its digits is 211680, while the sum is 41.

The square root of 53872367 is about 7339.7797650883. The cubic root of 53872367 is about 377.6782883694.

The spelling of 53872367 in words is "fifty-three million, eight hundred seventy-two thousand, three hundred sixty-seven".