30520054033453 has 4 divisors (see below), whose sum is σ = 30543053321920. Its totient is φ = 30497054744988.

The previous prime is 30520054033451. The next prime is 30520054033463. The reversal of 30520054033453 is 35433045002503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30520054033453 - 2¹ = 30520054033451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30520054033451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11499642243 + ... + 11499644896.

It is an arithmetic number, because the mean of its divisors is an integer number (7635763330480).

Almost surely, 2^{30520054033453} is an apocalyptic number.

It is an amenable number.

30520054033453 is a deficient number, since it is larger than the sum of its proper divisors (22999288467).

30520054033453 is a wasteful number, since it uses less digits than its factorization.

30520054033453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22999288466.

The product of its (nonzero) digits is 324000, while the sum is 37.

Adding to 30520054033453 its reverse (35433045002503), we get a palindrome (65953099035956).

The spelling of 30520054033453 in words is "thirty trillion, five hundred twenty billion, fifty-four million, thirty-three thousand, four hundred fifty-three".