53807893 has 4 divisors (see below), whose sum is σ = 54049408. Its totient is φ = 53566380.

The previous prime is 53807891. The next prime is 53807911. The reversal of 53807893 is 39870835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53807893 - 2¹ = 53807891 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 (53807891) 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, 120423 + ... + 120868.

It is an arithmetic number, because the mean of its divisors is an integer number (13512352).

Almost surely, 2^53807893 is an apocalyptic number.

It is an amenable number.

53807893 is a deficient number, since it is larger than the sum of its proper divisors (241515).

53807893 is a wasteful number, since it uses less digits than its factorization.

53807893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241514.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 53807893 is about 7335.3863565596. The cubic root of 53807893 is about 377.5275608140.

The spelling of 53807893 in words is "fifty-three million, eight hundred seven thousand, eight hundred ninety-three".