51504726 has 32 divisors (see below), whose sum is σ = 126782208. Its totient is φ = 13583520.

The previous prime is 51504707. The next prime is 51504727. The reversal of 51504726 is 62740515.

51504726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51504693 and 51504702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51504727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46620 + ... + 47711.

It is an arithmetic number, because the mean of its divisors is an integer number (3961944).

Almost surely, 2^51504726 is an apocalyptic number.

51504726 is an abundant number, since it is smaller than the sum of its proper divisors (75277482).

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

51504726 is a wasteful number, since it uses less digits than its factorization.

51504726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94356.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 51504726 is about 7176.6793156724. The cubic root of 51504726 is about 372.0623233538.

The spelling of 51504726 in words is "fifty-one million, five hundred four thousand, seven hundred twenty-six".