53894938 has 4 divisors (see below), whose sum is σ = 80842410. Its totient is φ = 26947468.

The previous prime is 53894927. The next prime is 53894987. The reversal of 53894938 is 83949835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83949835 = 5 ⋅16789967.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 1375929 = 7247^2 + 1173^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 53894891 and 53894900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473733 + ... + 13473736.

Almost surely, 2^53894938 is an apocalyptic number.

53894938 is a deficient number, since it is larger than the sum of its proper divisors (26947472).

53894938 is a wasteful number, since it uses less digits than its factorization.

53894938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26947471.

The product of its digits is 933120, while the sum is 49.

The square root of 53894938 is about 7341.3171842660. The cubic root of 53894938 is about 377.7310265163.

The spelling of 53894938 in words is "fifty-three million, eight hundred ninety-four thousand, nine hundred thirty-eight".