53866493 has 8 divisors (see below), whose sum is σ = 54922176. Its totient is φ = 52819200.

The previous prime is 53866471. The next prime is 53866507. The reversal of 53866493 is 39466835.

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 53866493 - 2⁸ = 53866237 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 (53866403) 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, 11738 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (6865272).

Almost surely, 2^53866493 is an apocalyptic number.

It is an amenable number.

53866493 is a deficient number, since it is larger than the sum of its proper divisors (1055683).

53866493 is a wasteful number, since it uses less digits than its factorization.

53866493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195.

The product of its digits is 466560, while the sum is 44.

The square root of 53866493 is about 7339.3796059340. The cubic root of 53866493 is about 377.6645610913.

The spelling of 53866493 in words is "fifty-three million, eight hundred sixty-six thousand, four hundred ninety-three".