51650654433 has 16 divisors (see below), whose sum is σ = 81244655616. Its totient is φ = 28562573520.

The previous prime is 51650654399. The next prime is 51650654449. The reversal of 51650654433 is 33445605615.

It is not a de Polignac number, because 51650654433 - 2¹⁴ = 51650638049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51650654453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39669591 + ... + 39670892.

It is an arithmetic number, because the mean of its divisors is an integer number (5077790976).

Almost surely, 2^51650654433 is an apocalyptic number.

It is an amenable number.

51650654433 is a deficient number, since it is larger than the sum of its proper divisors (29594001183).

51650654433 is a wasteful number, since it uses less digits than its factorization.

51650654433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79340524.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 51650654433 in words is "fifty-one billion, six hundred fifty million, six hundred fifty-four thousand, four hundred thirty-three".