30255025250550 has 48 divisors (see below), whose sum is σ = 77060367030672. Its totient is φ = 7849952496000.

The previous prime is 30255025250521. The next prime is 30255025250581. The reversal of 30255025250550 is 5505252055203.

It is a super-2 number, since 2×30255025250550² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30255025250499 and 30255025250508.

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, 2725672401 + ... + 2725683500.

It is an arithmetic number, because the mean of its divisors is an integer number (1605424313139).

Almost surely, 2^{30255025250550} is an apocalyptic number.

30255025250550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30255025250550 is an abundant number, since it is smaller than the sum of its proper divisors (46805341780122).

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

30255025250550 is a wasteful number, since it uses less digits than its factorization.

30255025250550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451355953 (or 5451355948 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 39.

The spelling of 30255025250550 in words is "thirty trillion, two hundred fifty-five billion, twenty-five million, two hundred fifty thousand, five hundred fifty".