51764606448 has 20 divisors (see below), whose sum is σ = 133725233448. Its totient is φ = 17254868800.

The previous prime is 51764606447. The next prime is 51764606461. The reversal of 51764606448 is 84460646715.

It is a self number, because there is not a number n which added to its sum of digits gives 51764606448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51764606447) 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 3 ways as a sum of consecutive naturals, for example, 539214603 + ... + 539214698.

Almost surely, 2^51764606448 is an apocalyptic number.

It is an amenable number.

51764606448 is an abundant number, since it is smaller than the sum of its proper divisors (81960627000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51764606448 is a wasteful number, since it uses less digits than its factorization.

51764606448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078429312 (or 1078429306 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 51764606448 in words is "fifty-one billion, seven hundred sixty-four million, six hundred six thousand, four hundred forty-eight".