51096990850 has 24 divisors (see below), whose sum is σ = 95046375348. Its totient is φ = 20437512000.

The previous prime is 51096990839. The next prime is 51096990863. The reversal of 51096990850 is 5809969015.

51096990850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 367987489 + 50729003361 = 19183^2 + 225231^2 .

It is a super-2 number, since 2×51096990850² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1437492 + ... + 1472608.

Almost surely, 2^51096990850 is an apocalyptic number.

51096990850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51096990850 is a deficient number, since it is larger than the sum of its proper divisors (43949384498).

51096990850 is a wasteful number, since it uses less digits than its factorization.

51096990850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64230 (or 64225 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 51096990850 in words is "fifty-one billion, ninety-six million, nine hundred ninety thousand, eight hundred fifty".