549689672 has 32 divisors (see below), whose sum is σ = 1189581120. Its totient is φ = 233246400.

The previous prime is 549689653. The next prime is 549689689. The reversal of 549689672 is 276986945.

It is a happy number.

It is a super-3 number, since 3×549689672³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42938 + ... + 54249.

It is an arithmetic number, because the mean of its divisors is an integer number (37174410).

Almost surely, 2^549689672 is an apocalyptic number.

It is an amenable number.

549689672 is an abundant number, since it is smaller than the sum of its proper divisors (639891448).

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

549689672 is a wasteful number, since it uses less digits than its factorization.

549689672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97301 (or 97297 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The square root of 549689672 is about 23445.4616503920. The cubic root of 549689672 is about 819.1671456512.

The spelling of 549689672 in words is "five hundred forty-nine million, six hundred eighty-nine thousand, six hundred seventy-two".