49779617052 has 48 divisors (see below), whose sum is σ = 126800658432. Its totient is φ = 15074148480.

The previous prime is 49779617033. The next prime is 49779617089. The reversal of 49779617052 is 25071697794.

It is a happy number.

49779617052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49779616983 and 49779617001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57573 + ... + 320739.

It is an arithmetic number, because the mean of its divisors is an integer number (2641680384).

Almost surely, 2^49779617052 is an apocalyptic number.

It is an amenable number.

49779617052 is an abundant number, since it is smaller than the sum of its proper divisors (77021041380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49779617052 is a wasteful number, since it uses less digits than its factorization.

49779617052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264618 (or 264616 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 57.

The spelling of 49779617052 in words is "forty-nine billion, seven hundred seventy-nine million, six hundred seventeen thousand, fifty-two".