552743640 has 96 divisors (see below), whose sum is σ = 1854403200. Its totient is φ = 142640640.

The previous prime is 552743623. The next prime is 552743651. The reversal of 552743640 is 46347255.

552743640 is a `hidden beast` number, since 5 + 5 + 2 + 7 + 4 + 3 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 552743595 and 552743604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13605 + ... + 35924.

It is an arithmetic number, because the mean of its divisors is an integer number (19316700).

Almost surely, 2^552743640 is an apocalyptic number.

It is an amenable number.

552743640 is an abundant number, since it is smaller than the sum of its proper divisors (1301659560).

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

552743640 is a wasteful number, since it uses less digits than its factorization.

552743640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49577 (or 49570 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 552743640 is about 23510.5006326960. The cubic root of 552743640 is about 820.6813888204.

The spelling of 552743640 in words is "five hundred fifty-two million, seven hundred forty-three thousand, six hundred forty".