Search a number
-
+
553531225 = 52132374051
BaseRepresentation
bin100000111111100…
…011011101011001
31102120120022002111
4200333203131121
52113200444400
6130532032321
716500636442
oct4077433531
91376508074
10553531225
112644aa225
121354626a1
138a8a8890
145372c2c9
15338de3ba
hex20fe3759

553531225 has 24 divisors (see below), whose sum is σ = 771325632. Its totient is φ = 390984000.

The previous prime is 553531163. The next prime is 553531229. The reversal of 553531225 is 522135355.

It is not a de Polignac number, because 553531225 - 29 = 553530713 is a prime.

It is a super-3 number, since 3×5535312253 (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553531229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29551 + ... + 44500.

It is an arithmetic number, because the mean of its divisors is an integer number (32138568).

Almost surely, 2553531225 is an apocalyptic number.

It is an amenable number.

553531225 is a deficient number, since it is larger than the sum of its proper divisors (217794407).

553531225 is a wasteful number, since it uses less digits than its factorization.

553531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74097 (or 74092 counting only the distinct ones).

The product of its digits is 22500, while the sum is 31.

The square root of 553531225 is about 23527.2443137738. The cubic root of 553531225 is about 821.0709905317.

The spelling of 553531225 in words is "five hundred fifty-three million, five hundred thirty-one thousand, two hundred twenty-five".

Divisors: 1 5 13 23 25 65 115 299 325 575 1495 7475 74051 370255 962663 1703173 1851275 4813315 8515865 22141249 24066575 42579325 110706245 553531225