553724225 has 6 divisors (see below), whose sum is σ = 686618070. Its totient is φ = 442979360.

The previous prime is 553724219. The next prime is 553724261. The reversal of 553724225 is 522427355.

It can be written as a sum of positive squares in 3 ways, for example, as 116035984 + 437688241 = 10772^2 + 20921^2 .

It is not a de Polignac number, because 553724225 - 2⁶ = 553724161 is a prime.

It is a super-3 number, since 3×553724225³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11074460 + ... + 11074509.

It is an arithmetic number, because the mean of its divisors is an integer number (114436345).

Almost surely, 2^553724225 is an apocalyptic number.

It is an amenable number.

553724225 is a deficient number, since it is larger than the sum of its proper divisors (132893845).

553724225 is a wasteful number, since it uses less digits than its factorization.

553724225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148979 (or 22148974 counting only the distinct ones).

The product of its digits is 84000, while the sum is 35.

The square root of 553724225 is about 23531.3455841352. The cubic root of 553724225 is about 821.1664071827.

The spelling of 553724225 in words is "five hundred fifty-three million, seven hundred twenty-four thousand, two hundred twenty-five".