49281559538 has 32 divisors (see below), whose sum is σ = 78365458800. Its totient is φ = 23207032576.

The previous prime is 49281559531. The next prime is 49281559549. The reversal of 49281559538 is 83595518294.

It can be written as a sum of positive squares in 8 ways, for example, as 35363930809 + 13917628729 = 188053^2 + 117973^2 .

It is a super-2 number, since 2×49281559538² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49281559531) 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, 485468 + ... + 578136.

Almost surely, 2^49281559538 is an apocalyptic number.

49281559538 is a deficient number, since it is larger than the sum of its proper divisors (29083899262).

49281559538 is a wasteful number, since it uses less digits than its factorization.

49281559538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92926.

The product of its digits is 15552000, while the sum is 59.

The spelling of 49281559538 in words is "forty-nine billion, two hundred eighty-one million, five hundred fifty-nine thousand, five hundred thirty-eight".