549500136 has 32 divisors (see below), whose sum is σ = 1375369440. Its totient is φ = 182950848.

The previous prime is 549500123. The next prime is 549500173. The reversal of 549500136 is 631005945.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 549500097 and 549500106.

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, 7995 + ... + 34101.

It is an arithmetic number, because the mean of its divisors is an integer number (42980295).

Almost surely, 2^549500136 is an apocalyptic number.

It is an amenable number.

549500136 is an abundant number, since it is smaller than the sum of its proper divisors (825869304).

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

549500136 is a wasteful number, since it uses less digits than its factorization.

549500136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26993 (or 26989 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 549500136 is about 23441.4192403105. The cubic root of 549500136 is about 819.0729837265.

The spelling of 549500136 in words is "five hundred forty-nine million, five hundred thousand, one hundred thirty-six".