51020555433 has 8 divisors (see below), whose sum is σ = 68146965600. Its totient is φ = 33953924448.

The previous prime is 51020555419. The next prime is 51020555449. The reversal of 51020555433 is 33455502015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51020555433 - 2⁵ = 51020555401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51020555394 and 51020555403.

It is not an unprimeable number, because it can be changed into a prime (51020555473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14942803 + ... + 14946216.

It is an arithmetic number, because the mean of its divisors is an integer number (8518370700).

Almost surely, 2^51020555433 is an apocalyptic number.

It is an amenable number.

51020555433 is a deficient number, since it is larger than the sum of its proper divisors (17126410167).

51020555433 is a wasteful number, since it uses less digits than its factorization.

51020555433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29889591.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 51020555433 in words is "fifty-one billion, twenty million, five hundred fifty-five thousand, four hundred thirty-three".