30557519948 has 12 divisors (see below), whose sum is σ = 53699409120. Its totient is φ = 15214831632.

The previous prime is 30557519917. The next prime is 30557519977. The reversal of 30557519948 is 84991575503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30557519893 and 30557519902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15981011 + ... + 15982922.

It is an arithmetic number, because the mean of its divisors is an integer number (4474950760).

Almost surely, 2^30557519948 is an apocalyptic number.

It is an amenable number.

30557519948 is a deficient number, since it is larger than the sum of its proper divisors (23141889172).

30557519948 is a wasteful number, since it uses less digits than its factorization.

30557519948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31964176 (or 31964174 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 56.

It can be divided in two parts, 305575 and 19948, that added together give a palindrome (325523).

The spelling of 30557519948 in words is "thirty billion, five hundred fifty-seven million, five hundred nineteen thousand, nine hundred forty-eight".