355550961 has 16 divisors (see below), whose sum is σ = 485703680. Its totient is φ = 231230160.

The previous prime is 355550941. The next prime is 355550963. The reversal of 355550961 is 169055553.

It is not a de Polignac number, because 355550961 - 2⁹ = 355550449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355550963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157680 + ... + 159918.

It is an arithmetic number, because the mean of its divisors is an integer number (30356480).

Almost surely, 2^355550961 is an apocalyptic number.

It is an amenable number.

355550961 is a deficient number, since it is larger than the sum of its proper divisors (130152719).

355550961 is a wasteful number, since it uses less digits than its factorization.

355550961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516.

The product of its (nonzero) digits is 101250, while the sum is 39.

The square root of 355550961 is about 18856.0589996956. The cubic root of 355550961 is about 708.4359945812.

The spelling of 355550961 in words is "three hundred fifty-five million, five hundred fifty thousand, nine hundred sixty-one".