5477891 has 4 divisors (see below), whose sum is σ = 5521152. Its totient is φ = 5434632.

The previous prime is 5477869. The next prime is 5477929. The reversal of 5477891 is 1987745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1987745 = 5 ⋅397549.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5477891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5477821) 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, 21440 + ... + 21693.

It is an arithmetic number, because the mean of its divisors is an integer number (1380288).

Almost surely, 2^5477891 is an apocalyptic number.

5477891 is a deficient number, since it is larger than the sum of its proper divisors (43261).

5477891 is a wasteful number, since it uses less digits than its factorization.

5477891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43260.

The product of its digits is 70560, while the sum is 41.

The square root of 5477891 is about 2340.4894787202. The cubic root of 5477891 is about 176.2805764902.

The spelling of 5477891 in words is "five million, four hundred seventy-seven thousand, eight hundred ninety-one".