30555505252755 has 48 divisors (see below), whose sum is σ = 60529850793984. Its totient is φ = 13968034839360.

The previous prime is 30555505252687. The next prime is 30555505252813. The reversal of 30555505252755 is 55725250555503.

30555505252755 is a `hidden beast` number, since 30 + 5 + 5 + 5 + 505 + 2 + 52 + 7 + 55 = 666.

It is not a de Polignac number, because 30555505252755 - 2⁴⁴ = 12963319208339 is a prime.

It is a super-2 number, since 2×30555505252755² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23104842 + ... + 24391488.

It is an arithmetic number, because the mean of its divisors is an integer number (1261038558208).

Almost surely, 2^{30555505252755} is an apocalyptic number.

30555505252755 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30555505252755 is a deficient number, since it is larger than the sum of its proper divisors (29974345541229).

30555505252755 is a wasteful number, since it uses less digits than its factorization.

30555505252755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362056 (or 1362053 counting only the distinct ones).

The product of its (nonzero) digits is 32812500, while the sum is 54.

The spelling of 30555505252755 in words is "thirty trillion, five hundred fifty-five billion, five hundred five million, two hundred fifty-two thousand, seven hundred fifty-five".