49505513136 has 60 divisors (see below), whose sum is σ = 135429526152. Its totient is φ = 15529147392.

The previous prime is 49505513131. The next prime is 49505513149. The reversal of 49505513136 is 63131550594.

It is not an unprimeable number, because it can be changed into a prime (49505513131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6351930 + ... + 6359718.

Almost surely, 2^49505513136 is an apocalyptic number.

It is an amenable number.

49505513136 is an abundant number, since it is smaller than the sum of its proper divisors (85924013016).

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

49505513136 is an frugal number, since it uses more digits than its factorization.

49505513136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15606 (or 7811 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 42.

The spelling of 49505513136 in words is "forty-nine billion, five hundred five million, five hundred thirteen thousand, one hundred thirty-six".