30550789892 has 36 divisors (see below), whose sum is σ = 62208544860. Its totient is φ = 13089855744.

The previous prime is 30550789873. The next prime is 30550789939. The reversal of 30550789892 is 29898705503.

It can be written as a sum of positive squares in 2 ways, for example, as 18993249856 + 11557540036 = 137816^2 + 107506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846488 + ... + 881840.

It is an arithmetic number, because the mean of its divisors is an integer number (1728015135).

Almost surely, 2^30550789892 is an apocalyptic number.

It is an amenable number.

30550789892 is an abundant number, since it is smaller than the sum of its proper divisors (31657754968).

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

30550789892 is a wasteful number, since it uses less digits than its factorization.

30550789892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39780 (or 39771 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 30550789892 in words is "thirty billion, five hundred fifty million, seven hundred eighty-nine thousand, eight hundred ninety-two".