51064810 has 32 divisors (see below), whose sum is σ = 95650560. Its totient is φ = 19611072.

The previous prime is 51064789. The next prime is 51064831. The reversal of 51064810 is 1846015.

It is a Cunningham number, because it is equal to 371³-1.

It is an interprime number because it is at equal distance from previous prime (51064789) and next prime (51064831).

It is a super-2 number, since 2×51064810² = 5215229640672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28357 + ... + 30103.

It is an arithmetic number, because the mean of its divisors is an integer number (2989080).

Almost surely, 2^51064810 is an apocalyptic number.

51064810 is a deficient number, since it is larger than the sum of its proper divisors (44585750).

51064810 is a wasteful number, since it uses less digits than its factorization.

51064810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 51064810 is about 7145.9645954902. The cubic root of 51064810 is about 370.9999975782. Note that the first 5 decimals are identical.

The spelling of 51064810 in words is "fifty-one million, sixty-four thousand, eight hundred ten".