550623161 has 8 divisors (see below), whose sum is σ = 604659648. Its totient is φ = 497250000.

The previous prime is 550623137. The next prime is 550623163. The reversal of 550623161 is 161326055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550623161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550623163) 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, 164090 + ... + 167411.

It is an arithmetic number, because the mean of its divisors is an integer number (75582456).

Almost surely, 2^550623161 is an apocalyptic number.

It is an amenable number.

550623161 is a deficient number, since it is larger than the sum of its proper divisors (54036487).

550623161 is a wasteful number, since it uses less digits than its factorization.

550623161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331663.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 550623161 is about 23465.3608751283. The cubic root of 550623161 is about 819.6305896038.

The spelling of 550623161 in words is "five hundred fifty million, six hundred twenty-three thousand, one hundred sixty-one".