552100240 has 20 divisors (see below), whose sum is σ = 1283633244. Its totient is φ = 220840064.

The previous prime is 552100217. The next prime is 552100247. The reversal of 552100240 is 42001255.

It can be written as a sum of positive squares in 2 ways, for example, as 300814336 + 251285904 = 17344^2 + 15852^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (552100247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450547 + ... + 3450706.

Almost surely, 2^552100240 is an apocalyptic number.

It is an amenable number.

552100240 is an abundant number, since it is smaller than the sum of its proper divisors (731533004).

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

552100240 is a wasteful number, since it uses less digits than its factorization.

552100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901266 (or 6901260 counting only the distinct ones).

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

The square root of 552100240 is about 23496.8134009699. The cubic root of 552100240 is about 820.3628376415.

Adding to 552100240 its reverse (42001255), we get a palindrome (594101495).

The spelling of 552100240 in words is "five hundred fifty-two million, one hundred thousand, two hundred forty".