51353930 has 16 divisors (see below), whose sum is σ = 92828160. Its totient is φ = 20454672.

The previous prime is 51353927. The next prime is 51353947. The reversal of 51353930 is 3935315.

51353930 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 2×51353930² = 5274452252889800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51353893 and 51353902.

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 7 ways as a sum of consecutive naturals, for example, 8354 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (5801760).

Almost surely, 2^51353930 is an apocalyptic number.

51353930 is a deficient number, since it is larger than the sum of its proper divisors (41474230).

51353930 is a wasteful number, since it uses less digits than its factorization.

51353930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733.

The product of its (nonzero) digits is 6075, while the sum is 29.

The square root of 51353930 is about 7166.1656414013. The cubic root of 51353930 is about 371.6988592661.

The spelling of 51353930 in words is "fifty-one million, three hundred fifty-three thousand, nine hundred thirty".