355056091 has 4 divisors (see below), whose sum is σ = 382368112. Its totient is φ = 327744072.

The previous prime is 355056073. The next prime is 355056133. The reversal of 355056091 is 190650553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190650553 = 29 ⋅6574157.

It is a cyclic number.

It is not a de Polignac number, because 355056091 - 2⁷ = 355055963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355056011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13655991 + ... + 13656016.

It is an arithmetic number, because the mean of its divisors is an integer number (95592028).

Almost surely, 2^355056091 is an apocalyptic number.

355056091 is a deficient number, since it is larger than the sum of its proper divisors (27312021).

355056091 is a wasteful number, since it uses less digits than its factorization.

355056091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27312020.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 355056091 is about 18842.9321232127. The cubic root of 355056091 is about 708.1071654895.

The spelling of 355056091 in words is "three hundred fifty-five million, fifty-six thousand, ninety-one".