5950505991 has 4 divisors (see below), whose sum is σ = 7934007992. Its totient is φ = 3967003992.

The previous prime is 5950505987. The next prime is 5950505993. The reversal of 5950505991 is 1995050595.

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

It is not a de Polignac number, because 5950505991 - 2² = 5950505987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5950505991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5950505993) 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, 991750996 + ... + 991751001.

It is an arithmetic number, because the mean of its divisors is an integer number (1983501998).

Almost surely, 2^5950505991 is an apocalyptic number.

5950505991 is a deficient number, since it is larger than the sum of its proper divisors (1983502001).

5950505991 is a wasteful number, since it uses less digits than its factorization.

5950505991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983502000.

The product of its (nonzero) digits is 455625, while the sum is 48.

The square root of 5950505991 is about 77139.5228854833. The cubic root of 5950505991 is about 1812.1103140423.

The spelling of 5950505991 in words is "five billion, nine hundred fifty million, five hundred five thousand, nine hundred ninety-one".