50778115572 has 24 divisors (see below), whose sum is σ = 118500901792. Its totient is φ = 16923376800.

The previous prime is 50778115567. The next prime is 50778115573. The reversal of 50778115572 is 27551187705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50778115573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252454 + ... + 406557.

Almost surely, 2^50778115572 is an apocalyptic number.

It is an amenable number.

50778115572 is an abundant number, since it is smaller than the sum of its proper divisors (67722786220).

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

50778115572 is a wasteful number, since it uses less digits than its factorization.

50778115572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665439 (or 665437 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 48.

The spelling of 50778115572 in words is "fifty billion, seven hundred seventy-eight million, one hundred fifteen thousand, five hundred seventy-two".