51475630 has 8 divisors (see below), whose sum is σ = 92656152. Its totient is φ = 20590248.

The previous prime is 51475603. The next prime is 51475649. The reversal of 51475630 is 3657415.

51475630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51475592 and 51475601.

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 3 ways as a sum of consecutive naturals, for example, 2573772 + ... + 2573791.

It is an arithmetic number, because the mean of its divisors is an integer number (11582019).

Almost surely, 2^51475630 is an apocalyptic number.

51475630 is a deficient number, since it is larger than the sum of its proper divisors (41180522).

51475630 is a wasteful number, since it uses less digits than its factorization.

51475630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147570.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 51475630 is about 7174.6519079325. The cubic root of 51475630 is about 371.9922484607.

The spelling of 51475630 in words is "fifty-one million, four hundred seventy-five thousand, six hundred thirty".