50777808408 has 48 divisors (see below), whose sum is σ = 144761299800. Its totient is φ = 16035096960.

The previous prime is 50777808407. The next prime is 50777808409. The reversal of 50777808408 is 80480877705.

It is an interprime number because it is at equal distance from previous prime (50777808407) and next prime (50777808409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50777808407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18557773 + ... + 18560508.

Almost surely, 2^50777808408 is an apocalyptic number.

It is an amenable number.

50777808408 is an abundant number, since it is smaller than the sum of its proper divisors (93983491392).

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

50777808408 is a wasteful number, since it uses less digits than its factorization.

50777808408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37118312 (or 37118305 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The spelling of 50777808408 in words is "fifty billion, seven hundred seventy-seven million, eight hundred eight thousand, four hundred eight".