549615072 has 24 divisors (see below), whose sum is σ = 1442739816. Its totient is φ = 183204992.

The previous prime is 549615041. The next prime is 549615091. The reversal of 549615072 is 270516945.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 549615072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862483 + ... + 2862674.

It is an arithmetic number, because the mean of its divisors is an integer number (60114159).

Almost surely, 2^549615072 is an apocalyptic number.

It is an amenable number.

549615072 is an abundant number, since it is smaller than the sum of its proper divisors (893124744).

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

549615072 is a wasteful number, since it uses less digits than its factorization.

549615072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725170 (or 5725162 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 549615072 is about 23443.8706701773. The cubic root of 549615072 is about 819.1300867816.

The spelling of 549615072 in words is "five hundred forty-nine million, six hundred fifteen thousand, seventy-two".