51126702 has 32 divisors (see below), whose sum is σ = 112371840. Its totient is φ = 15378720.

The previous prime is 51126697. The next prime is 51126703. The reversal of 51126702 is 20762115.

It is a super-2 number, since 2×51126702² = 5227879314793608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51126703) 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, 6388 + ... + 11960.

It is an arithmetic number, because the mean of its divisors is an integer number (3511620).

Almost surely, 2^51126702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51126702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56185920).

51126702 is an abundant number, since it is smaller than the sum of its proper divisors (61245138).

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

51126702 is a wasteful number, since it uses less digits than its factorization.

51126702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51126702 is about 7150.2938401159. The cubic root of 51126702 is about 371.1498245743.

Adding to 51126702 its reverse (20762115), we get a palindrome (71888817).

The spelling of 51126702 in words is "fifty-one million, one hundred twenty-six thousand, seven hundred two".