5155818 has 16 divisors (see below), whose sum is σ = 10760256. Its totient is φ = 1643840.

The previous prime is 5155817. The next prime is 5155849. The reversal of 5155818 is 8185515.

It is not an unprimeable number, because it can be changed into a prime (5155817) 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, 18543 + ... + 18818.

It is an arithmetic number, because the mean of its divisors is an integer number (672516).

Almost surely, 2^5155818 is an apocalyptic number.

5155818 is an abundant number, since it is smaller than the sum of its proper divisors (5604438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5155818 is a wasteful number, since it uses less digits than its factorization.

5155818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37389.

The product of its digits is 8000, while the sum is 33.

The square root of 5155818 is about 2270.6426403113. The cubic root of 5155818 is about 172.7557558837.

The spelling of 5155818 in words is "five million, one hundred fifty-five thousand, eight hundred eighteen".