5521420 has 24 divisors (see below), whose sum is σ = 11642400. Its totient is φ = 2199552.

The previous prime is 5521393. The next prime is 5521427. The reversal of 5521420 is 241255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6796 + ... + 7564.

It is an arithmetic number, because the mean of its divisors is an integer number (485100).

Almost surely, 2^5521420 is an apocalyptic number.

It is an amenable number.

5521420 is an abundant number, since it is smaller than the sum of its proper divisors (6120980).

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

5521420 is a wasteful number, since it uses less digits than its factorization.

5521420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5521420 is about 2349.7702015304. The cubic root of 5521420 is about 176.7462716287.

Adding to 5521420 its reverse (241255), we get a palindrome (5762675).

The spelling of 5521420 in words is "five million, five hundred twenty-one thousand, four hundred twenty".