506651550 has 48 divisors (see below), whose sum is σ = 1259919360. Its totient is φ = 134739040.

The previous prime is 506651533. The next prime is 506651603. The reversal of 506651550 is 55156605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53041 + ... + 61859.

It is an arithmetic number, because the mean of its divisors is an integer number (26248320).

Almost surely, 2^506651550 is an apocalyptic number.

506651550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506651550 is an abundant number, since it is smaller than the sum of its proper divisors (753267810).

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

506651550 is a wasteful number, since it uses less digits than its factorization.

506651550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217 (or 9212 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 506651550 is about 22508.9215645708. The cubic root of 506651550 is about 797.2045924563.

It can be divided in two parts, 5066 and 51550, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 506651550 in words is "five hundred six million, six hundred fifty-one thousand, five hundred fifty".