53893939 has 8 divisors (see below), whose sum is σ = 58888368. Its totient is φ = 48915360.

The previous prime is 53893933. The next prime is 53893943. The reversal of 53893939 is 93939835.

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 53893939 - 2¹⁷ = 53762867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53893892 and 53893901.

It is not an unprimeable number, because it can be changed into a prime (53893933) 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, 3829 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (7361046).

Almost surely, 2^53893939 is an apocalyptic number.

53893939 is a deficient number, since it is larger than the sum of its proper divisors (4994429).

53893939 is a wasteful number, since it uses less digits than its factorization.

53893939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925.

The product of its digits is 787320, while the sum is 49.

The square root of 53893939 is about 7341.2491443895. The cubic root of 53893939 is about 377.7286926198.

The spelling of 53893939 in words is "fifty-three million, eight hundred ninety-three thousand, nine hundred thirty-nine".