5955505921 has 4 divisors (see below), whose sum is σ = 6010143700. Its totient is φ = 5900868144.

The previous prime is 5955505837. The next prime is 5955505951. The reversal of 5955505921 is 1295055595.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2066611600 + 3888894321 = 45460^2 + 62361^2 .

It is a cyclic number.

It is not a de Polignac number, because 5955505921 - 2²³ = 5947117313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5955505951) 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, 27318726 + ... + 27318943.

It is an arithmetic number, because the mean of its divisors is an integer number (1502535925).

Almost surely, 2^5955505921 is an apocalyptic number.

It is an amenable number.

5955505921 is a deficient number, since it is larger than the sum of its proper divisors (54637779).

5955505921 is a wasteful number, since it uses less digits than its factorization.

5955505921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54637778.

The product of its (nonzero) digits is 506250, while the sum is 46.

The square root of 5955505921 is about 77171.9244349913. The cubic root of 5955505921 is about 1812.6177156111.

It can be divided in two parts, 5955505 and 921, that added together give a triangular number (5956426 = T₃₄₅₁).

The spelling of 5955505921 in words is "five billion, nine hundred fifty-five million, five hundred five thousand, nine hundred twenty-one".