550520152 has 64 divisors (see below), whose sum is σ = 1273446720. Its totient is φ = 217271808.

The previous prime is 550520149. The next prime is 550520153. The reversal of 550520152 is 251025055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550520153) 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, 492298 + ... + 493414.

It is an arithmetic number, because the mean of its divisors is an integer number (19897605).

Almost surely, 2^550520152 is an apocalyptic number.

550520152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550520152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636723360).

550520152 is an abundant number, since it is smaller than the sum of its proper divisors (722926568).

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

550520152 is a wasteful number, since it uses less digits than its factorization.

550520152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 550520152 is about 23463.1658562948. The cubic root of 550520152 is about 819.5794750371.

The spelling of 550520152 in words is "five hundred fifty million, five hundred twenty thousand, one hundred fifty-two".