51622146650 has 48 divisors (see below), whose sum is σ = 96789325920. Its totient is φ = 20483064000.

The previous prime is 51622146649. The next prime is 51622146659. The reversal of 51622146650 is 5664122615.

It is not an unprimeable number, because it can be changed into a prime (51622146659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11096825 + ... + 11101475.

It is an arithmetic number, because the mean of its divisors is an integer number (2016444290).

Almost surely, 2^51622146650 is an apocalyptic number.

51622146650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51622146650 is a deficient number, since it is larger than the sum of its proper divisors (45167179270).

51622146650 is a wasteful number, since it uses less digits than its factorization.

51622146650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399 (or 6394 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 51622146650 in words is "fifty-one billion, six hundred twenty-two million, one hundred forty-six thousand, six hundred fifty".