50530778 has 8 divisors (see below), whose sum is σ = 77644980. Its totient is φ = 24649120.

The previous prime is 50530763. The next prime is 50530787. The reversal of 50530778 is 87703505.

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 588289 = 7067^2 + 767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308033 + ... + 308196.

Almost surely, 2^50530778 is an apocalyptic number.

50530778 is a deficient number, since it is larger than the sum of its proper divisors (27114202).

50530778 is a wasteful number, since it uses less digits than its factorization.

50530778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616272.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 50530778 is about 7108.5004044454. The cubic root of 50530778 is about 369.7021659697.

The spelling of 50530778 in words is "fifty million, five hundred thirty thousand, seven hundred seventy-eight".