549170864 has 40 divisors (see below), whose sum is σ = 1169657280. Its totient is φ = 247707200.

The previous prime is 549170863. The next prime is 549170899. The reversal of 549170864 is 468071945.

549170864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (549170863) 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, 11147 + ... + 34965.

It is an arithmetic number, because the mean of its divisors is an integer number (29241432).

Almost surely, 2^549170864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549170864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584828640).

549170864 is an abundant number, since it is smaller than the sum of its proper divisors (620486416).

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

549170864 is a wasteful number, since it uses less digits than its factorization.

549170864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23969 (or 23963 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 549170864 is about 23434.3948929773. The cubic root of 549170864 is about 818.9093491373.

The spelling of 549170864 in words is "five hundred forty-nine million, one hundred seventy thousand, eight hundred sixty-four".