5161550 has 12 divisors (see below), whose sum is σ = 9600576. Its totient is φ = 2064600.

The previous prime is 5161549. The next prime is 5161553. The reversal of 5161550 is 551615.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161553) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 51566 + ... + 51665.

It is an arithmetic number, because the mean of its divisors is an integer number (800048).

Almost surely, 2^5161550 is an apocalyptic number.

5161550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5161550 is a deficient number, since it is larger than the sum of its proper divisors (4439026).

5161550 is a wasteful number, since it uses less digits than its factorization.

5161550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103243 (or 103238 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 5161550 is about 2271.9044874290. The cubic root of 5161550 is about 172.8197527931.

The spelling of 5161550 in words is "five million, one hundred sixty-one thousand, five hundred fifty".