49648878557330 has 16 divisors (see below), whose sum is σ = 96242441511384. Its totient is φ = 18331893621120.

The previous prime is 49648878557293. The next prime is 49648878557339. The reversal of 49648878557330 is 3375587884694.

It can be written as a sum of positive squares in 4 ways, for example, as 43455136386601 + 6193742170729 = 6592051^2 + 2488723^2 .

It is a super-2 number, since 2×49648878557330² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49648878557339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190957225091 + ... + 190957225350.

Almost surely, 2^{49648878557330} is an apocalyptic number.

49648878557330 is a deficient number, since it is larger than the sum of its proper divisors (46593562954054).

49648878557330 is a wasteful number, since it uses less digits than its factorization.

49648878557330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381914450461.

The product of its (nonzero) digits is 4877107200, while the sum is 77.

The spelling of 49648878557330 in words is "forty-nine trillion, six hundred forty-eight billion, eight hundred seventy-eight million, five hundred fifty-seven thousand, three hundred thirty".