51750036 has 192 divisors, whose sum is σ = 158054400. Its totient is φ = 14515200.

The previous prime is 51750019. The next prime is 51750047. The reversal of 51750036 is 63005715.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51749991 and 51750009.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1262176 + ... + 1262216.

It is an arithmetic number, because the mean of its divisors is an integer number (823200).

Almost surely, 2^51750036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51750036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79027200).

51750036 is an abundant number, since it is smaller than the sum of its proper divisors (106304364).

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

51750036 is a wasteful number, since it uses less digits than its factorization.

51750036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 51750036 is about 7193.7497871416. The cubic root of 51750036 is about 372.6520820981.

The spelling of 51750036 in words is "fifty-one million, seven hundred fifty thousand, thirty-six".