51674868 has 96 divisors (see below), whose sum is σ = 158457600. Its totient is φ = 14249088.

The previous prime is 51674867. The next prime is 51674879. The reversal of 51674868 is 86847615.

It is a happy number.

51674868 is a `hidden beast` number, since 5 + 167 + 486 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51674867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20746 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (1650600).

Almost surely, 2^51674868 is an apocalyptic number.

51674868 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51674868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79228800).

51674868 is an abundant number, since it is smaller than the sum of its proper divisors (106782732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51674868 is a wasteful number, since it uses less digits than its factorization.

51674868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2398 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 51674868 is about 7188.5233532347. The cubic root of 51674868 is about 372.4715663776.

The spelling of 51674868 in words is "fifty-one million, six hundred seventy-four thousand, eight hundred sixty-eight".