30454116557 has 4 divisors (see below), whose sum is σ = 32245535196. Its totient is φ = 28662697920.

The previous prime is 30454116533. The next prime is 30454116577. The reversal of 30454116557 is 75561145403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28623902596 + 1830213961 = 169186^2 + 42781^2 .

It is a cyclic number.

It is not a de Polignac number, because 30454116557 - 2²⁸ = 30185681101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30454116527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895709294 + ... + 895709327.

It is an arithmetic number, because the mean of its divisors is an integer number (8061383799).

Almost surely, 2^30454116557 is an apocalyptic number.

It is an amenable number.

30454116557 is a deficient number, since it is larger than the sum of its proper divisors (1791418639).

30454116557 is a wasteful number, since it uses less digits than its factorization.

30454116557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791418638.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 30454116557 in words is "thirty billion, four hundred fifty-four million, one hundred sixteen thousand, five hundred fifty-seven".