50261797488 has 40 divisors (see below), whose sum is σ = 148391974528. Its totient is φ = 14360513472.

The previous prime is 50261797463. The next prime is 50261797493. The reversal of 50261797488 is 88479716205.

It is a super-2 number, since 2×50261797488² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 74794006 + ... + 74794677.

Almost surely, 2^50261797488 is an apocalyptic number.

It is an amenable number.

50261797488 is an abundant number, since it is smaller than the sum of its proper divisors (98130177040).

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

50261797488 is a wasteful number, since it uses less digits than its factorization.

50261797488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149588701 (or 149588695 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 50261797488 in words is "fifty billion, two hundred sixty-one million, seven hundred ninety-seven thousand, four hundred eighty-eight".