53894491 has 4 divisors (see below), whose sum is σ = 61593712. Its totient is φ = 46195272.

The previous prime is 53894479. The next prime is 53894501. The reversal of 53894491 is 19449835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53894491 - 2⁷ = 53894363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53894591) 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, 3849600 + ... + 3849613.

It is an arithmetic number, because the mean of its divisors is an integer number (15398428).

Almost surely, 2^53894491 is an apocalyptic number.

53894491 is a deficient number, since it is larger than the sum of its proper divisors (7699221).

53894491 is an equidigital number, since it uses as much as digits as its factorization.

53894491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7699220.

The product of its digits is 155520, while the sum is 43.

The square root of 53894491 is about 7341.2867400749. The cubic root of 53894491 is about 377.7299822238.

The spelling of 53894491 in words is "fifty-three million, eight hundred ninety-four thousand, four hundred ninety-one".