5513971 has 4 divisors (see below), whose sum is σ = 5804200. Its totient is φ = 5223744.

The previous prime is 5513953. The next prime is 5513987. The reversal of 5513971 is 1793155.

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

It is a cyclic number.

It is not a de Polignac number, because 5513971 - 2⁷ = 5513843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5513941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145086 + ... + 145123.

It is an arithmetic number, because the mean of its divisors is an integer number (1451050).

Almost surely, 2^5513971 is an apocalyptic number.

5513971 is a deficient number, since it is larger than the sum of its proper divisors (290229).

5513971 is a wasteful number, since it uses less digits than its factorization.

5513971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290228.

The product of its digits is 4725, while the sum is 31.

The square root of 5513971 is about 2348.1846179549. The cubic root of 5513971 is about 176.6667525018. Note that the first 3 decimals are identical.

The spelling of 5513971 in words is "five million, five hundred thirteen thousand, nine hundred seventy-one".