5155890 has 16 divisors (see below), whose sum is σ = 12374208. Its totient is φ = 1374896.

The previous prime is 5155861. The next prime is 5155907. The reversal of 5155890 is 985515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85902 + ... + 85961.

It is an arithmetic number, because the mean of its divisors is an integer number (773388).

Almost surely, 2^5155890 is an apocalyptic number.

5155890 is an abundant number, since it is smaller than the sum of its proper divisors (7218318).

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

5155890 is a wasteful number, since it uses less digits than its factorization.

5155890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171873.

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 5155890 is about 2270.6584947984. The cubic root of 5155890 is about 172.7565600468.

The spelling of 5155890 in words is "five million, one hundred fifty-five thousand, eight hundred ninety".