48309991056 has 80 divisors (see below), whose sum is σ = 138705318720. Its totient is φ = 16098946560.

The previous prime is 48309991031. The next prime is 48309991063. The reversal of 48309991056 is 65019990384.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 48309990993 and 48309991011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832851 + ... + 1859021.

It is an arithmetic number, because the mean of its divisors is an integer number (1733816484).

Almost surely, 2^48309991056 is an apocalyptic number.

It is an amenable number.

48309991056 is an abundant number, since it is smaller than the sum of its proper divisors (90395327664).

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

48309991056 is a wasteful number, since it uses less digits than its factorization.

48309991056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30461 (or 30449 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 48309991056 in words is "forty-eight billion, three hundred nine million, nine hundred ninety-one thousand, fifty-six".