5538225 has 72 divisors (see below), whose sum is σ = 11704608. Its totient is φ = 2284800.

The previous prime is 5538223. The next prime is 5538233. The reversal of 5538225 is 5228355.

5538225 = T₂₈₆ + T₂₈₇ + ... + T₃₈₃.

5538225 = 308² + 309² + ... + 357².

It is not a de Polignac number, because 5538225 - 2¹ = 5538223 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5538192 and 5538201.

It is not an unprimeable number, because it can be changed into a prime (5538223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40357 + ... + 40493.

It is an arithmetic number, because the mean of its divisors is an integer number (162564).

Almost surely, 2^5538225 is an apocalyptic number.

5538225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5538225 is an abundant number, since it is smaller than the sum of its proper divisors (6166383).

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

5538225 is a wasteful number, since it uses less digits than its factorization.

5538225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 163 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 5538225 is about 2353.3433663620. The cubic root of 5538225 is about 176.9254050636.

It can be divided in two parts, 553 and 8225, that added together give a palindrome (8778).

The spelling of 5538225 in words is "five million, five hundred thirty-eight thousand, two hundred twenty-five".