30553028057205 has 24 divisors (see below), whose sum is σ = 52964487290520. Its totient is φ = 16293131274240.

The previous prime is 30553028057177. The next prime is 30553028057243. The reversal of 30553028057205 is 50275082035503.

It is a happy number.

30553028057205 is a `hidden beast` number, since 3 + 0 + 5 + 53 + 0 + 28 + 0 + 572 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 377144602641 + 30175883454564 = 614121^2 + 5493258^2 .

It is not a de Polignac number, because 30553028057205 - 2¹³ = 30553028049013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 37446556 + ... + 38253765.

It is an arithmetic number, because the mean of its divisors is an integer number (2206853637105).

Almost surely, 2^{30553028057205} is an apocalyptic number.

It is an amenable number.

30553028057205 is a deficient number, since it is larger than the sum of its proper divisors (22411459233315).

30553028057205 is a wasteful number, since it uses less digits than its factorization.

30553028057205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75709301 (or 75709298 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 30553028057205 in words is "thirty trillion, five hundred fifty-three billion, twenty-eight million, fifty-seven thousand, two hundred five".