49988503530 has 384 divisors, whose sum is σ = 160123392000. Its totient is φ = 10567065600.

The previous prime is 49988503517. The next prime is 49988503559. The reversal of 49988503530 is 3530588994.

49988503530 is a `hidden beast` number, since 4 + 9 + 9 + 88 + 503 + 53 + 0 = 666.

49988503530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 111332746 + ... + 111333194.

It is an arithmetic number, because the mean of its divisors is an integer number (416988000).

Almost surely, 2^49988503530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49988503530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80061696000).

49988503530 is an abundant number, since it is smaller than the sum of its proper divisors (110134888470).

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

49988503530 is a wasteful number, since it uses less digits than its factorization.

49988503530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 49988503530 in words is "forty-nine billion, nine hundred eighty-eight million, five hundred three thousand, five hundred thirty".