550779164 has 12 divisors (see below), whose sum is σ = 1038006984. Its totient is φ = 254205744.

The previous prime is 550779161. The next prime is 550779167. The reversal of 550779164 is 461977055.

It is an interprime number because it is at equal distance from previous prime (550779161) and next prime (550779167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550779161) 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, 5295902 + ... + 5296005.

It is an arithmetic number, because the mean of its divisors is an integer number (86500582).

Almost surely, 2^550779164 is an apocalyptic number.

It is an amenable number.

550779164 is a deficient number, since it is larger than the sum of its proper divisors (487227820).

550779164 is a wasteful number, since it uses less digits than its factorization.

550779164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591924 (or 10591922 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 550779164 is about 23468.6847522395. The cubic root of 550779164 is about 819.7079884289.

The spelling of 550779164 in words is "five hundred fifty million, seven hundred seventy-nine thousand, one hundred sixty-four".