5555971 has 4 divisors (see below), whose sum is σ = 5650200. Its totient is φ = 5461744.

The previous prime is 5555929. The next prime is 5555983. The reversal of 5555971 is 1795555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1795555 = 5 ⋅359111.

It is a cyclic number.

It is not a de Polignac number, because 5555971 - 2⁷ = 5555843 is a prime.

It is a Duffinian number.

5555971 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5555971.

It is not an unprimeable number, because it can be changed into a prime (5552971) 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, 47026 + ... + 47143.

It is an arithmetic number, because the mean of its divisors is an integer number (1412550).

Almost surely, 2^5555971 is an apocalyptic number.

5555971 is a deficient number, since it is larger than the sum of its proper divisors (94229).

5555971 is an equidigital number, since it uses as much as digits as its factorization.

5555971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94228.

The product of its digits is 39375, while the sum is 37.

The square root of 5555971 is about 2357.1107313828. The cubic root of 5555971 is about 177.1141761764.

The spelling of 5555971 in words is "five million, five hundred fifty-five thousand, nine hundred seventy-one".