5155891 has 8 divisors (see below), whose sum is σ = 5583200. Its totient is φ = 4732992.

The previous prime is 5155861. The next prime is 5155907. The reversal of 5155891 is 1985515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5155891 - 2¹⁷ = 5024819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (697900).

Almost surely, 2^5155891 is an apocalyptic number.

5155891 is a deficient number, since it is larger than the sum of its proper divisors (427309).

5155891 is a wasteful number, since it uses less digits than its factorization.

5155891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205.

The product of its digits is 9000, while the sum is 34.

The square root of 5155891 is about 2270.6587149988. The cubic root of 5155891 is about 172.7565712157.

The spelling of 5155891 in words is "five million, one hundred fifty-five thousand, eight hundred ninety-one".