53793991 has 8 divisors (see below), whose sum is σ = 55041984. Its totient is φ = 52550400.

The previous prime is 53793983. The next prime is 53794019. The reversal of 53793991 is 19939735.

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 53793991 - 2³ = 53793983 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 (53793911) 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, 44191 + ... + 45391.

It is an arithmetic number, because the mean of its divisors is an integer number (6880248).

Almost surely, 2^53793991 is an apocalyptic number.

53793991 is a deficient number, since it is larger than the sum of its proper divisors (1247993).

53793991 is a wasteful number, since it uses less digits than its factorization.

53793991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201.

The product of its digits is 229635, while the sum is 46.

The square root of 53793991 is about 7334.4386969965. The cubic root of 53793991 is about 377.4950448891.

The spelling of 53793991 in words is "fifty-three million, seven hundred ninety-three thousand, nine hundred ninety-one".