5215550 has 12 divisors (see below), whose sum is σ = 9701016. Its totient is φ = 2086200.

The previous prime is 5215547. The next prime is 5215559. The reversal of 5215550 is 555125.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52106 + ... + 52205.

It is an arithmetic number, because the mean of its divisors is an integer number (808418).

Almost surely, 2^5215550 is an apocalyptic number.

5215550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5215550 is a deficient number, since it is larger than the sum of its proper divisors (4485466).

5215550 is a wasteful number, since it uses less digits than its factorization.

5215550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104323 (or 104318 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 5215550 is about 2283.7578680762. The cubic root of 5215550 is about 173.4203417541.

The spelling of 5215550 in words is "five million, two hundred fifteen thousand, five hundred fifty".