51023670 has 32 divisors (see below), whose sum is σ = 125065728. Its totient is φ = 13316448.

The previous prime is 51023659. The next prime is 51023701. The reversal of 51023670 is 7632015.

51023670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51023670.

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, 16684 + ... + 19503.

It is an arithmetic number, because the mean of its divisors is an integer number (3908304).

Almost surely, 2^51023670 is an apocalyptic number.

51023670 is an abundant number, since it is smaller than the sum of its proper divisors (74042058).

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

51023670 is a wasteful number, since it uses less digits than its factorization.

51023670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36244.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 51023670 is about 7143.0854677793. The cubic root of 51023670 is about 370.9003396431.

Adding to 51023670 its reverse (7632015), we get a palindrome (58655685).

The spelling of 51023670 in words is "fifty-one million, twenty-three thousand, six hundred seventy".