51654021050 has 96 divisors (see below), whose sum is σ = 98503516800. Its totient is φ = 20148802560.

The previous prime is 51654021037. The next prime is 51654021073. The reversal of 51654021050 is 5012045615.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126293246 + ... + 126293654.

It is an arithmetic number, because the mean of its divisors is an integer number (1026078300).

Almost surely, 2^51654021050 is an apocalyptic number.

51654021050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51654021050 is a deficient number, since it is larger than the sum of its proper divisors (46849495750).

51654021050 is a wasteful number, since it uses less digits than its factorization.

51654021050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 51654021050 its reverse (5012045615), we get a palindrome (56666066665).

The spelling of 51654021050 in words is "fifty-one billion, six hundred fifty-four million, twenty-one thousand, fifty".