50500752778 has 16 divisors (see below), whose sum is σ = 86582309184. Its totient is φ = 21640782240.

The previous prime is 50500752713. The next prime is 50500752791. The reversal of 50500752778 is 87725700505.

It is a super-2 number, since 2×50500752778² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65800 + ... + 324547.

It is an arithmetic number, because the mean of its divisors is an integer number (5411394324).

Almost surely, 2^50500752778 is an apocalyptic number.

50500752778 is a deficient number, since it is larger than the sum of its proper divisors (36081556406).

50500752778 is a wasteful number, since it uses less digits than its factorization.

50500752778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399597.

The product of its (nonzero) digits is 686000, while the sum is 46.

It can be divided in two parts, 50500 and 752778, that added together give a triangular number (803278 = T₁₂₆₇).

The spelling of 50500752778 in words is "fifty billion, five hundred million, seven hundred fifty-two thousand, seven hundred seventy-eight".