5021550 has 36 divisors (see below), whose sum is σ = 13492440. Its totient is φ = 1338960.

The previous prime is 5021543. The next prime is 5021551. The reversal of 5021550 is 551205.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5130 + ... + 6029.

It is an arithmetic number, because the mean of its divisors is an integer number (374790).

Almost surely, 2^5021550 is an apocalyptic number.

5021550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5021550 is an abundant number, since it is smaller than the sum of its proper divisors (8470890).

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

5021550 is a wasteful number, since it uses less digits than its factorization.

5021550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177 (or 11169 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 5021550 is about 2240.8815229726. The cubic root of 5021550 is about 171.2429091138.

Adding to 5021550 its reverse (551205), we get a palindrome (5572755).

The spelling of 5021550 in words is "five million, twenty-one thousand, five hundred fifty".