51630126 has 16 divisors (see below), whose sum is σ = 104675664. Its totient is φ = 16974144.

The previous prime is 51630091. The next prime is 51630149. The reversal of 51630126 is 62103615.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51630096 and 51630105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58501 + ... + 59376.

It is an arithmetic number, because the mean of its divisors is an integer number (6542229).

Almost surely, 2^51630126 is an apocalyptic number.

51630126 is an abundant number, since it is smaller than the sum of its proper divisors (53045538).

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

51630126 is a wasteful number, since it uses less digits than its factorization.

51630126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117955.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51630126 is about 7185.4106354474. The cubic root of 51630126 is about 372.3640354795.

The spelling of 51630126 in words is "fifty-one million, six hundred thirty thousand, one hundred twenty-six".