49778754250 has 32 divisors (see below), whose sum is σ = 93673801728. Its totient is φ = 19807234000.

The previous prime is 49778754247. The next prime is 49778754413. The reversal of 49778754250 is 5245787794.

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 in 15 ways as a sum of consecutive naturals, for example, 473494 + ... + 568993.

It is an arithmetic number, because the mean of its divisors is an integer number (2927306304).

Almost surely, 2^49778754250 is an apocalyptic number.

49778754250 is a deficient number, since it is larger than the sum of its proper divisors (43895047478).

49778754250 is a wasteful number, since it uses less digits than its factorization.

49778754250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042695 (or 1042685 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 49778754250 in words is "forty-nine billion, seven hundred seventy-eight million, seven hundred fifty-four thousand, two hundred fifty".