5375991 has 16 divisors (see below), whose sum is σ = 7544160. Its totient is φ = 3400320.

The previous prime is 5375977. The next prime is 5375999. The reversal of 5375991 is 1995735.

It is not a de Polignac number, because 5375991 - 2⁹ = 5375479 is a prime.

It is a d-powerful number, because it can be written as 5 + 3¹⁴ + 7⁴ + 5³ + 9⁵ + 9⁶ + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5375999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4801 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (471510).

Almost surely, 2^5375991 is an apocalyptic number.

5375991 is a deficient number, since it is larger than the sum of its proper divisors (2168169).

5375991 is a wasteful number, since it uses less digits than its factorization.

5375991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its digits is 42525, while the sum is 39.

The square root of 5375991 is about 2318.6183385801. The cubic root of 5375991 is about 175.1806678383.

The spelling of 5375991 in words is "five million, three hundred seventy-five thousand, nine hundred ninety-one".