555452240 has 60 divisors (see below), whose sum is σ = 1502282196. Its totient is φ = 190439424.

The previous prime is 555452197. The next prime is 555452279. The reversal of 555452240 is 42254555.

It can be written as a sum of positive squares in 2 ways, for example, as 251159104 + 304293136 = 15848^2 + 17444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 555452197 and 555452206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66929 + ... + 74768.

Almost surely, 2^555452240 is an apocalyptic number.

It is an amenable number.

555452240 is an abundant number, since it is smaller than the sum of its proper divisors (946829956).

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

555452240 is a wasteful number, since it uses less digits than its factorization.

555452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141724 (or 141711 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 555452240 is about 23568.0342837497. The cubic root of 555452240 is about 822.0197286701.

The spelling of 555452240 in words is "five hundred fifty-five million, four hundred fifty-two thousand, two hundred forty".