30225457755 has 24 divisors (see below), whose sum is σ = 52704523872. Its totient is φ = 16023711744.

The previous prime is 30225457753. The next prime is 30225457771. The reversal of 30225457755 is 55775452203.

30225457755 is a `hidden beast` number, since 3 + 0 + 2 + 25 + 4 + 577 + 55 = 666.

It is not a de Polignac number, because 30225457755 - 2¹ = 30225457753 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30225457755.

It is not an unprimeable number, because it can be changed into a prime (30225457753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2003494 + ... + 2018523.

It is an arithmetic number, because the mean of its divisors is an integer number (2196021828).

Almost surely, 2^30225457755 is an apocalyptic number.

30225457755 is a deficient number, since it is larger than the sum of its proper divisors (22479066117).

30225457755 is a wasteful number, since it uses less digits than its factorization.

30225457755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022195 (or 4022192 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 45.

The spelling of 30225457755 in words is "thirty billion, two hundred twenty-five million, four hundred fifty-seven thousand, seven hundred fifty-five".