51104402450 has 48 divisors (see below), whose sum is σ = 95637899616. Its totient is φ = 20316441600.

The previous prime is 51104402449. The next prime is 51104402471. The reversal of 51104402450 is 5420440115.

It is a super-2 number, since 2×51104402450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 14309165 + ... + 14312735.

It is an arithmetic number, because the mean of its divisors is an integer number (1992456242).

Almost surely, 2^51104402450 is an apocalyptic number.

51104402450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51104402450 is a deficient number, since it is larger than the sum of its proper divisors (44533497166).

51104402450 is a wasteful number, since it uses less digits than its factorization.

51104402450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259 (or 5254 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 51104402450 its reverse (5420440115), we get a palindrome (56524842565).

The spelling of 51104402450 in words is "fifty-one billion, one hundred four million, four hundred two thousand, four hundred fifty".