550155672 has 64 divisors (see below), whose sum is σ = 1667145600. Its totient is φ = 166713120.

The previous prime is 550155647. The next prime is 550155689. The reversal of 550155672 is 276551055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113398 + ... + 118149.

It is an arithmetic number, because the mean of its divisors is an integer number (26049150).

Almost surely, 2^550155672 is an apocalyptic number.

It is an amenable number.

550155672 is an abundant number, since it is smaller than the sum of its proper divisors (1116989928).

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

550155672 is a wasteful number, since it uses less digits than its factorization.

550155672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231573 (or 231563 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 550155672 is about 23455.3975024940. The cubic root of 550155672 is about 819.3985635396.

The spelling of 550155672 in words is "five hundred fifty million, one hundred fifty-five thousand, six hundred seventy-two".