51968592 has 240 divisors, whose sum is σ = 175488768. Its totient is φ = 14192640.

The previous prime is 51968561. The next prime is 51968593. The reversal of 51968592 is 29586915.

51968592 is a `hidden beast` number, since 51 + 9 + 6 + 8 + 592 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51968593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731917 + ... + 731987.

Almost surely, 2^51968592 is an apocalyptic number.

51968592 is a gapful number since it is divisible by the number (52) 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 51968592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87744384).

51968592 is an abundant number, since it is smaller than the sum of its proper divisors (123520176).

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

51968592 is a wasteful number, since it uses less digits than its factorization.

51968592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 129 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 51968592 is about 7208.9244690176. The cubic root of 51968592 is about 373.1759526556.

The spelling of 51968592 in words is "fifty-one million, nine hundred sixty-eight thousand, five hundred ninety-two".