51726792 has 64 divisors (see below), whose sum is σ = 139970880. Its totient is φ = 15835392.

The previous prime is 51726769. The next prime is 51726799. The reversal of 51726792 is 29762715.

It is a super-2 number, since 2×51726792² = 5351322021222528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 51726792.

It is not an unprimeable number, because it can be changed into a prime (51726799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98643 + ... + 99165.

It is an arithmetic number, because the mean of its divisors is an integer number (2187045).

Almost surely, 2^51726792 is an apocalyptic number.

51726792 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 51726792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69985440).

51726792 is an abundant number, since it is smaller than the sum of its proper divisors (88244088).

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

51726792 is a wasteful number, since it uses less digits than its factorization.

51726792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 51726792 is about 7192.1340365708. The cubic root of 51726792 is about 372.5962803837.

The spelling of 51726792 in words is "fifty-one million, seven hundred twenty-six thousand, seven hundred ninety-two".