34350021550 has 48 divisors (see below), whose sum is σ = 68953680432. Its totient is φ = 12655814400.

The previous prime is 34350021509. The next prime is 34350021569. The reversal of 34350021550 is 5512005343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246970 + ... + 360130.

It is an arithmetic number, because the mean of its divisors is an integer number (1436535009).

Almost surely, 2^34350021550 is an apocalyptic number.

34350021550 is an abundant number, since it is smaller than the sum of its proper divisors (34603658882).

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

34350021550 is a wasteful number, since it uses less digits than its factorization.

34350021550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113653 (or 113648 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 34350021550 its reverse (5512005343), we get a palindrome (39862026893).

The spelling of 34350021550 in words is "thirty-four billion, three hundred fifty million, twenty-one thousand, five hundred fifty".