355555585555553 has 4 divisors (see below), whose sum is σ = 355555827497520. Its totient is φ = 355555343613588.

The previous prime is 355555585555543. The next prime is 355555585555603.

355555585555553 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 355555585555553 - 2¹⁸ = 355555585293409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355555585555543) 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, 118753043 + ... + 121710296.

It is an arithmetic number, because the mean of its divisors is an integer number (88888956874380).

Almost surely, 2^{355555585555553} is an apocalyptic number.

It is an amenable number.

355555585555553 is a deficient number, since it is larger than the sum of its proper divisors (241941967).

355555585555553 is a wasteful number, since it uses less digits than its factorization.

355555585555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241941966.

The product of its digits is 17578125000, while the sum is 74.

The spelling of 355555585555553 in words is "three hundred fifty-five trillion, five hundred fifty-five billion, five hundred eighty-five million, five hundred fifty-five thousand, five hundred fifty-three".