51910856 has 16 divisors (see below), whose sum is σ = 98506800. Its totient is φ = 25642384.

The previous prime is 51910829. The next prime is 51910861. The reversal of 51910856 is 65801915.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38426 + ... + 39753.

It is an arithmetic number, because the mean of its divisors is an integer number (6156675).

Almost surely, 2^51910856 is an apocalyptic number.

It is an amenable number.

51910856 is a deficient number, since it is larger than the sum of its proper divisors (46595944).

51910856 is a wasteful number, since it uses less digits than its factorization.

51910856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78268 (or 78264 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 51910856 is about 7204.9188753240. The cubic root of 51910856 is about 373.0377045982.

The spelling of 51910856 in words is "fifty-one million, nine hundred ten thousand, eight hundred fifty-six".