552720628 has 24 divisors (see below), whose sum is σ = 1001687400. Its totient is φ = 266544768.

The previous prime is 552720601. The next prime is 552720691. The reversal of 552720628 is 826027255.

552720628 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 4 ways, for example, as 182466064 + 370254564 = 13508^2 + 19242^2 .

It is a super-3 number, since 3×552720628³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140626 + ... + 144502.

It is an arithmetic number, because the mean of its divisors is an integer number (41736975).

Almost surely, 2^552720628 is an apocalyptic number.

552720628 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

552720628 is a deficient number, since it is larger than the sum of its proper divisors (448966772).

552720628 is a wasteful number, since it uses less digits than its factorization.

552720628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 552720628 is about 23510.0112292615. The cubic root of 552720628 is about 820.6699997056.

The spelling of 552720628 in words is "five hundred fifty-two million, seven hundred twenty thousand, six hundred twenty-eight".