5521250 has 40 divisors (see below), whose sum is σ = 11846208. Its totient is φ = 1890000.

The previous prime is 5521249. The next prime is 5521253. The reversal of 5521250 is 521255.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5521253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8435 + ... + 9065.

Almost surely, 2^5521250 is an apocalyptic number.

5521250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5521250 is an abundant number, since it is smaller than the sum of its proper divisors (6324958).

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

5521250 is an equidigital number, since it uses as much as digits as its factorization.

5521250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5521250 is about 2349.7340275018. The cubic root of 5521250 is about 176.7444576525.

The spelling of 5521250 in words is "five million, five hundred twenty-one thousand, two hundred fifty".