5121550 has 24 divisors (see below), whose sum is σ = 10887696. Its totient is φ = 1755840.

The previous prime is 5121533. The next prime is 5121551. The reversal of 5121550 is 551215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6967 + ... + 7666.

It is an arithmetic number, because the mean of its divisors is an integer number (453654).

Almost surely, 2^5121550 is an apocalyptic number.

5121550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5121550 is an abundant number, since it is smaller than the sum of its proper divisors (5766146).

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

5121550 is a wasteful number, since it uses less digits than its factorization.

5121550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652 (or 14647 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 5121550 is about 2263.0841787260. The cubic root of 5121550 is about 172.3721660195.

Adding to 5121550 its reverse (551215), we get a palindrome (5672765).

It can be divided in two parts, 5121 and 550, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 5121550 in words is "five million, one hundred twenty-one thousand, five hundred fifty".