51275630 has 16 divisors (see below), whose sum is σ = 105481440. Its totient is φ = 17580192.

The previous prime is 51275629. The next prime is 51275633. The reversal of 51275630 is 3657215.

It is a junction number, because it is equal to n+sod(n) for n = 51275593 and 51275602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51275633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366185 + ... + 366324.

It is an arithmetic number, because the mean of its divisors is an integer number (6592590).

Almost surely, 2^51275630 is an apocalyptic number.

51275630 is an abundant number, since it is smaller than the sum of its proper divisors (54205810).

51275630 is a wasteful number, since it uses less digits than its factorization.

51275630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732523.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 51275630 is about 7160.7003847389. The cubic root of 51275630 is about 371.5098518231.

The spelling of 51275630 in words is "fifty-one million, two hundred seventy-five thousand, six hundred thirty".