552640436 has 12 divisors (see below), whose sum is σ = 993259428. Its totient is φ = 268852032.

The previous prime is 552640421. The next prime is 552640463. The reversal of 552640436 is 634046255.

It is a happy number.

552640436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 505800100 + 46840336 = 22490^2 + 6844^2 .

It is a super-2 number, since 2×552640436² = 610822903004540192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552640396 and 552640405.

It is a congruent number.

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, 1866881 + ... + 1867176.

It is an arithmetic number, because the mean of its divisors is an integer number (82771619).

Almost surely, 2^552640436 is an apocalyptic number.

It is an amenable number.

552640436 is a deficient number, since it is larger than the sum of its proper divisors (440618992).

552640436 is a wasteful number, since it uses less digits than its factorization.

552640436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734098 (or 3734096 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 552640436 is about 23508.3056811843. The cubic root of 552640436 is about 820.6303085559.

The spelling of 552640436 in words is "five hundred fifty-two million, six hundred forty thousand, four hundred thirty-six".