550511656 has 16 divisors (see below), whose sum is σ = 1037560500. Its totient is φ = 273828864.

The previous prime is 550511653. The next prime is 550511657. The reversal of 550511656 is 656115055.

It can be written as a sum of positive squares in 2 ways, for example, as 539818756 + 10692900 = 23234^2 + 3270^2 .

It is not an unprimeable number, because it can be changed into a prime (550511651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176731 + ... + 179818.

Almost surely, 2^550511656 is an apocalyptic number.

It is an amenable number.

550511656 is a deficient number, since it is larger than the sum of its proper divisors (487048844).

550511656 is a wasteful number, since it uses less digits than its factorization.

550511656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356748 (or 356744 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 550511656 is about 23462.9848058596. The cubic root of 550511656 is about 819.5752589135.

It can be divided in two parts, 5505 and 11656, that added together give a square (17161 = 131²).

The spelling of 550511656 in words is "five hundred fifty million, five hundred eleven thousand, six hundred fifty-six".