50778801 has 12 divisors (see below), whose sum is σ = 73489780. Its totient is φ = 33786720.

The previous prime is 50778709. The next prime is 50778817. The reversal of 50778801 is 10887705.

50778801 is a `hidden beast` number, since 507 + 78 + 80 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39388176 + 11390625 = 6276^2 + 3375^2 .

It is not a de Polignac number, because 50778801 - 2¹⁰ = 50777777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50778851) 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, 346 + ... + 10083.

Almost surely, 2^50778801 is an apocalyptic number.

It is an amenable number.

50778801 is a deficient number, since it is larger than the sum of its proper divisors (22710979).

50778801 is a wasteful number, since it uses less digits than its factorization.

50778801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976 (or 10973 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 50778801 is about 7125.9245715907. The cubic root of 50778801 is about 370.3060555093.

The spelling of 50778801 in words is "fifty million, seven hundred seventy-eight thousand, eight hundred one".