550556159 has 8 divisors (see below), whose sum is σ = 564323760. Its totient is φ = 536804800.

The previous prime is 550556143. The next prime is 550556177. The reversal of 550556159 is 951655055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550556159 - 2⁴ = 550556143 is a prime.

It is a super-2 number, since 2×550556159² = 606224168425666562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550556459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93029 + ... + 98769.

It is an arithmetic number, because the mean of its divisors is an integer number (70540470).

Almost surely, 2^550556159 is an apocalyptic number.

550556159 is a deficient number, since it is larger than the sum of its proper divisors (13767601).

550556159 is a wasteful number, since it uses less digits than its factorization.

550556159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 168750, while the sum is 41.

The square root of 550556159 is about 23463.9331528199. The cubic root of 550556159 is about 819.5973429600.

The spelling of 550556159 in words is "five hundred fifty million, five hundred fifty-six thousand, one hundred fifty-nine".