51602420615 has 16 divisors (see below), whose sum is σ = 64950026688. Its totient is φ = 39282456576.

The previous prime is 51602420609. The next prime is 51602420657.

51602420615 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51602420615 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1140284 + ... + 1184673.

It is an arithmetic number, because the mean of its divisors is an integer number (4059376668).

Almost surely, 2^51602420615 is an apocalyptic number.

51602420615 is a deficient number, since it is larger than the sum of its proper divisors (13347606073).

51602420615 is a wasteful number, since it uses less digits than its factorization.

51602420615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325178.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 51602420615 in words is "fifty-one billion, six hundred two million, four hundred twenty thousand, six hundred fifteen".