53894481 has 8 divisors (see below), whose sum is σ = 73215360. Its totient is φ = 35251632.

The previous prime is 53894479. The next prime is 53894501. The reversal of 53894481 is 18449835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53894481 - 2¹ = 53894479 is a prime.

It is a super-2 number, since 2×53894481² = 5809230164518722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53894381) 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, 169321 + ... + 169638.

It is an arithmetic number, because the mean of its divisors is an integer number (9151920).

Almost surely, 2^53894481 is an apocalyptic number.

It is an amenable number.

53894481 is a deficient number, since it is larger than the sum of its proper divisors (19320879).

53894481 is a wasteful number, since it uses less digits than its factorization.

53894481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339015.

The product of its digits is 138240, while the sum is 42.

The square root of 53894481 is about 7341.2860589954. The cubic root of 53894481 is about 377.7299588615.

It can be divided in two parts, 5389 and 4481, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 53894481 in words is "fifty-three million, eight hundred ninety-four thousand, four hundred eighty-one".