552661505 has 16 divisors (see below), whose sum is σ = 723942144. Its totient is φ = 401681280.

The previous prime is 552661481. The next prime is 552661513. The reversal of 552661505 is 505166255.

It is not a de Polignac number, because 552661505 - 2¹⁶ = 552595969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159269 + ... + 162701.

It is an arithmetic number, because the mean of its divisors is an integer number (45246384).

Almost surely, 2^552661505 is an apocalyptic number.

552661505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

552661505 is a deficient number, since it is larger than the sum of its proper divisors (171280639).

552661505 is a wasteful number, since it uses less digits than its factorization.

552661505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 552661505 is about 23508.7537951292. The cubic root of 552661505 is about 820.6407370607.

The spelling of 552661505 in words is "five hundred fifty-two million, six hundred sixty-one thousand, five hundred five".