550161136 has 40 divisors (see below), whose sum is σ = 1219604480. Its totient is φ = 235514304.

The previous prime is 550161133. The next prime is 550161137. The reversal of 550161136 is 631161055.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550161133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 119485 + ... + 124003.

It is an arithmetic number, because the mean of its divisors is an integer number (30490112).

Almost surely, 2^550161136 is an apocalyptic number.

550161136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

550161136 is an abundant number, since it is smaller than the sum of its proper divisors (669443344).

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

550161136 is a wasteful number, since it uses less digits than its factorization.

550161136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 550161136 is about 23455.5139785936. The cubic root of 550161136 is about 819.4012762136.

The spelling of 550161136 in words is "five hundred fifty million, one hundred sixty-one thousand, one hundred thirty-six".