49952135021 has 16 divisors (see below), whose sum is σ = 50392824000. Its totient is φ = 49514267520.

The previous prime is 49952135017. The next prime is 49952135081. The reversal of 49952135021 is 12053125994.

49952135021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49952135021 - 2² = 49952135017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49952135021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49952135081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72289286 + ... + 72289976.

It is an arithmetic number, because the mean of its divisors is an integer number (3149551500).

Almost surely, 2^49952135021 is an apocalyptic number.

It is an amenable number.

49952135021 is a deficient number, since it is larger than the sum of its proper divisors (440688979).

49952135021 is a wasteful number, since it uses less digits than its factorization.

49952135021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 49952135021 in words is "forty-nine billion, nine hundred fifty-two million, one hundred thirty-five thousand, twenty-one".