355420024553 has 4 divisors (see below), whose sum is σ = 387730935888. Its totient is φ = 323109113220.

The previous prime is 355420024549. The next prime is 355420024579.

355420024553 is nontrivially palindromic in base 10.

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 355420024553 - 2² = 355420024549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355420024543) 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, 16155455651 + ... + 16155455672.

It is an arithmetic number, because the mean of its divisors is an integer number (96932733972).

Almost surely, 2^355420024553 is an apocalyptic number.

It is an amenable number.

355420024553 is a deficient number, since it is larger than the sum of its proper divisors (32310911335).

355420024553 is a wasteful number, since it uses less digits than its factorization.

355420024553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32310911334.

The product of its (nonzero) digits is 360000, while the sum is 38.

It can be divided in two parts, 3554200 and 24553, that added together give a palindrome (3578753).

The spelling of 355420024553 in words is "three hundred fifty-five billion, four hundred twenty million, twenty-four thousand, five hundred fifty-three".