51580630 has 32 divisors (see below), whose sum is σ = 98120160. Its totient is φ = 19468800.

The previous prime is 51580619. The next prime is 51580657. The reversal of 51580630 is 3608515.

51580630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51580630² = 5321122782393800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 75852 + ... + 76528.

It is an arithmetic number, because the mean of its divisors is an integer number (3066255).

Almost surely, 2^51580630 is an apocalyptic number.

51580630 is a deficient number, since it is larger than the sum of its proper divisors (46539530).

51580630 is a wasteful number, since it uses less digits than its factorization.

51580630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51580630 is about 7181.9656083833. The cubic root of 51580630 is about 372.2450066331.

The spelling of 51580630 in words is "fifty-one million, five hundred eighty thousand, six hundred thirty".