49558996540 has 48 divisors (see below), whose sum is σ = 108619822080. Its totient is φ = 18958040640.

The previous prime is 49558996519. The next prime is 49558996549. The reversal of 49558996540 is 4569985594.

49558996540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49558996549) 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, 4446775 + ... + 4457905.

It is an arithmetic number, because the mean of its divisors is an integer number (2262912960).

Almost surely, 2^49558996540 is an apocalyptic number.

It is an amenable number.

49558996540 is an abundant number, since it is smaller than the sum of its proper divisors (59060825540).

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

49558996540 is a wasteful number, since it uses less digits than its factorization.

49558996540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20842 (or 20840 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 49558996540 in words is "forty-nine billion, five hundred fifty-eight million, nine hundred ninety-six thousand, five hundred forty".