1955554033 has 4 divisors (see below), whose sum is σ = 1959065460. Its totient is φ = 1952042608.

The previous prime is 1955554019. The next prime is 1955554037. The reversal of 1955554033 is 3304555591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3304555591 = 17 ⋅194385623.

It can be written as a sum of positive squares in 2 ways, for example, as 74770609 + 1880783424 = 8647^2 + 43368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1955554033 - 2¹³ = 1955545841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955554037) 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, 1754878 + ... + 1755991.

It is an arithmetic number, because the mean of its divisors is an integer number (489766365).

Almost surely, 2^1955554033 is an apocalyptic number.

It is an amenable number.

1955554033 is a deficient number, since it is larger than the sum of its proper divisors (3511427).

1955554033 is an equidigital number, since it uses as much as digits as its factorization.

1955554033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511426.

The product of its (nonzero) digits is 202500, while the sum is 40.

The square root of 1955554033 is about 44221.6466563605. The cubic root of 1955554033 is about 1250.5179790352.

The spelling of 1955554033 in words is "one billion, nine hundred fifty-five million, five hundred fifty-four thousand, thirty-three".