30828505827550 has 48 divisors (see below), whose sum is σ = 58202344097280. Its totient is φ = 12146206232160.

The previous prime is 30828505827517. The next prime is 30828505827571. The reversal of 30828505827550 is 5572850582803.

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, 35547187 + ... + 36404113.

It is an arithmetic number, because the mean of its divisors is an integer number (1212548835360).

Almost surely, 2^{30828505827550} is an apocalyptic number.

30828505827550 is a deficient number, since it is larger than the sum of its proper divisors (27373838269730).

30828505827550 is a wasteful number, since it uses less digits than its factorization.

30828505827550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867745 (or 867740 counting only the distinct ones).

The product of its (nonzero) digits is 26880000, while the sum is 58.

The spelling of 30828505827550 in words is "thirty trillion, eight hundred twenty-eight billion, five hundred five million, eight hundred twenty-seven thousand, five hundred fifty".