5475991251 has 8 divisors (see below), whose sum is σ = 7310153664. Its totient is φ = 3646244840.

The previous prime is 5475991237. The next prime is 5475991259. The reversal of 5475991251 is 1521995745.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5475991251 - 2²⁹ = 4939120339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5475991251.

It is not an unprimeable number, because it can be changed into a prime (5475991259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101105 + ... + 1106066.

It is an arithmetic number, because the mean of its divisors is an integer number (913769208).

Almost surely, 2^5475991251 is an apocalyptic number.

5475991251 is a deficient number, since it is larger than the sum of its proper divisors (1834162413).

5475991251 is a wasteful number, since it uses less digits than its factorization.

5475991251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208001.

The product of its digits is 567000, while the sum is 48.

The square root of 5475991251 is about 73999.9408851115. The cubic root of 5475991251 is about 1762.6019592342.

The spelling of 5475991251 in words is "five billion, four hundred seventy-five million, nine hundred ninety-one thousand, two hundred fifty-one".