549433948155 has 8 divisors (see below), whose sum is σ = 879094317072. Its totient is φ = 293031439008.

The previous prime is 549433948127. The next prime is 549433948159. The reversal of 549433948155 is 551849334945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 549433948155 - 2³¹ = 547286464507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549433948159) 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, 18314464924 + ... + 18314464953.

It is an arithmetic number, because the mean of its divisors is an integer number (109886789634).

Almost surely, 2^549433948155 is an apocalyptic number.

549433948155 is a deficient number, since it is larger than the sum of its proper divisors (329660368917).

549433948155 is a wasteful number, since it uses less digits than its factorization.

549433948155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36628929885.

The product of its digits is 46656000, while the sum is 60.

The spelling of 549433948155 in words is "five hundred forty-nine billion, four hundred thirty-three million, nine hundred forty-eight thousand, one hundred fifty-five".