49533625778 has 24 divisors (see below), whose sum is σ = 93079672812. Its totient is φ = 19595719584.

The previous prime is 49533625751. The next prime is 49533625783. The reversal of 49533625778 is 87752633594.

It is a happy number.

49533625778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48469104649 + 1064521129 = 220157^2 + 32627^2 .

It is a super-2 number, since 2×49533625778² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19438925 + ... + 19441472.

Almost surely, 2^49533625778 is an apocalyptic number.

49533625778 is a deficient number, since it is larger than the sum of its proper divisors (43546047034).

49533625778 is a wasteful number, since it uses less digits than its factorization.

49533625778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38880426 (or 38880419 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 59.

The spelling of 49533625778 in words is "forty-nine billion, five hundred thirty-three million, six hundred twenty-five thousand, seven hundred seventy-eight".