549982923 has 16 divisors (see below), whose sum is σ = 874507776. Its totient is φ = 300611520.

The previous prime is 549982907. The next prime is 549982931. The reversal of 549982923 is 329289945.

It is a happy number.

It is not a de Polignac number, because 549982923 - 2⁴ = 549982907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549982903) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 568858 + ... + 569823.

It is an arithmetic number, because the mean of its divisors is an integer number (54656736).

Almost surely, 2^549982923 is an apocalyptic number.

549982923 is a deficient number, since it is larger than the sum of its proper divisors (324524853).

549982923 is a wasteful number, since it uses less digits than its factorization.

549982923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138714.

The product of its digits is 1399680, while the sum is 51.

The square root of 549982923 is about 23451.7147134277. The cubic root of 549982923 is about 819.3127907860.

The spelling of 549982923 in words is "five hundred forty-nine million, nine hundred eighty-two thousand, nine hundred twenty-three".