552506440 has 16 divisors (see below), whose sum is σ = 1243139580. Its totient is φ = 221002560.

The previous prime is 552506431. The next prime is 552506509. The reversal of 552506440 is 44605255.

It can be written as a sum of positive squares in 2 ways, for example, as 549527364 + 2979076 = 23442^2 + 1726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6906291 + ... + 6906370.

Almost surely, 2^552506440 is an apocalyptic number.

It is an amenable number.

552506440 is an abundant number, since it is smaller than the sum of its proper divisors (690633140).

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

552506440 is a wasteful number, since it uses less digits than its factorization.

552506440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812672 (or 13812668 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 552506440 is about 23505.4555369599. The cubic root of 552506440 is about 820.5639784673.

The spelling of 552506440 in words is "five hundred fifty-two million, five hundred six thousand, four hundred forty".