30456020054 has 4 divisors (see below), whose sum is σ = 45684030084. Its totient is φ = 15228010026.

The previous prime is 30456020051. The next prime is 30456020099. The reversal of 30456020054 is 45002065403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45002065403 = 613 ⋅73412831.

It is a junction number, because it is equal to n+sod(n) for n = 30456019999 and 30456020026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30456020051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7614005012 + ... + 7614005015.

It is an arithmetic number, because the mean of its divisors is an integer number (11421007521).

Almost surely, 2^30456020054 is an apocalyptic number.

30456020054 is a deficient number, since it is larger than the sum of its proper divisors (15228010030).

30456020054 is a wasteful number, since it uses less digits than its factorization.

30456020054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15228010029.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30456020054 its reverse (45002065403), we get a palindrome (75458085457).

The spelling of 30456020054 in words is "thirty billion, four hundred fifty-six million, twenty thousand, fifty-four".