50757878152 has 8 divisors (see below), whose sum is σ = 95171021550. Its totient is φ = 25378939072.

The previous prime is 50757878137. The next prime is 50757878201. The reversal of 50757878152 is 25187875705.

It can be written as a sum of positive squares in only one way, i.e., 50322154276 + 435723876 = 224326^2 + 20874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50757878093 and 50757878102.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3172367377 + ... + 3172367392.

Almost surely, 2^50757878152 is an apocalyptic number.

It is an amenable number.

50757878152 is a deficient number, since it is larger than the sum of its proper divisors (44413143398).

50757878152 is a wasteful number, since it uses less digits than its factorization.

50757878152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344734775 (or 6344734771 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 55.

The spelling of 50757878152 in words is "fifty billion, seven hundred fifty-seven million, eight hundred seventy-eight thousand, one hundred fifty-two".