7055891 has 4 divisors (see below), whose sum is σ = 7063392. Its totient is φ = 7048392.

The previous prime is 7055857. The next prime is 7055899. The reversal of 7055891 is 1985507.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7055891 - 2¹⁰ = 7054867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7055899) 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, 2096 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (1765848).

Almost surely, 2^7055891 is an apocalyptic number.

7055891 is a deficient number, since it is larger than the sum of its proper divisors (7501).

7055891 is a wasteful number, since it uses less digits than its factorization.

7055891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 7055891 is about 2656.2927173036. The cubic root of 7055891 is about 191.8008913194.

The spelling of 7055891 in words is "seven million, fifty-five thousand, eight hundred ninety-one".