30552780053 has 4 divisors (see below), whose sum is σ = 30575230188. Its totient is φ = 30530329920.

The previous prime is 30552779993. The next prime is 30552780109. The reversal of 30552780053 is 35008725503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35008725503 = 28687 ⋅1220369.

It can be written as a sum of positive squares in 2 ways, for example, as 20992242769 + 9560537284 = 144887^2 + 97778^2 .

It is a cyclic number.

It is not a de Polignac number, because 30552780053 - 2¹⁰ = 30552779029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30552779989 and 30552780016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30552780353) 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, 11223026 + ... + 11225747.

It is an arithmetic number, because the mean of its divisors is an integer number (7643807547).

Almost surely, 2^30552780053 is an apocalyptic number.

It is an amenable number.

30552780053 is a deficient number, since it is larger than the sum of its proper divisors (22450135).

30552780053 is a wasteful number, since it uses less digits than its factorization.

30552780053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450134.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 30552780053 in words is "thirty billion, five hundred fifty-two million, seven hundred eighty thousand, fifty-three".