51063890 has 16 divisors (see below), whose sum is σ = 92035008. Its totient is φ = 20398896.

The previous prime is 51063889. The next prime is 51063911. The reversal of 51063890 is 9836015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5939 + ... + 11721.

It is an arithmetic number, because the mean of its divisors is an integer number (5752188).

Almost surely, 2^51063890 is an apocalyptic number.

51063890 is a deficient number, since it is larger than the sum of its proper divisors (40971118).

51063890 is a wasteful number, since it uses less digits than its factorization.

51063890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 51063890 is about 7145.9002232049. The cubic root of 51063890 is about 370.9977695465.

The spelling of 51063890 in words is "fifty-one million, sixty-three thousand, eight hundred ninety".