51889910 has 32 divisors (see below), whose sum is σ = 97593120. Its totient is φ = 19844352.

The previous prime is 51889907. The next prime is 51889963. The reversal of 51889910 is 1998815.

It is a congruent number.

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, 20642 + ... + 23018.

It is an arithmetic number, because the mean of its divisors is an integer number (3049785).

Almost surely, 2^51889910 is an apocalyptic number.

51889910 is a deficient number, since it is larger than the sum of its proper divisors (45703210).

51889910 is a wasteful number, since it uses less digits than its factorization.

51889910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 51889910 is about 7203.4651383900. The cubic root of 51889910 is about 372.9875243499.

The spelling of 51889910 in words is "fifty-one million, eight hundred eighty-nine thousand, nine hundred ten".