51848389 has 8 divisors (see below), whose sum is σ = 52826688. Its totient is φ = 50877120.

The previous prime is 51848387. The next prime is 51848429. The reversal of 51848389 is 98384815.

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 51848389 - 2¹ = 51848387 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 (51848387) 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, 14509 + ... + 17725.

It is an arithmetic number, because the mean of its divisors is an integer number (6603336).

Almost surely, 2^51848389 is an apocalyptic number.

It is an amenable number.

51848389 is a deficient number, since it is larger than the sum of its proper divisors (978299).

51848389 is a wasteful number, since it uses less digits than its factorization.

51848389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its digits is 276480, while the sum is 46.

The square root of 51848389 is about 7200.5825458778. The cubic root of 51848389 is about 372.8880127265. Note that the first 3 decimals are identical.

The spelling of 51848389 in words is "fifty-one million, eight hundred forty-eight thousand, three hundred eighty-nine".