550077520 has 80 divisors (see below), whose sum is σ = 1329914880. Its totient is φ = 211410432.

The previous prime is 550077511. The next prime is 550077527. The reversal of 550077520 is 25770055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550077527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244561 + ... + 246799.

It is an arithmetic number, because the mean of its divisors is an integer number (16623936).

Almost surely, 2^550077520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550077520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664957440).

550077520 is an abundant number, since it is smaller than the sum of its proper divisors (779837360).

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

550077520 is a wasteful number, since it uses less digits than its factorization.

550077520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 550077520 is about 23453.7314728382. The cubic root of 550077520 is about 819.3597619953.

The spelling of 550077520 in words is "five hundred fifty million, seventy-seven thousand, five hundred twenty".