550601136252 has 120 divisors (see below), whose sum is σ = 1477249217136. Its totient is φ = 178755662592.

The previous prime is 550601136221. The next prime is 550601136259. The reversal of 550601136252 is 252631106055.

550601136252 is a `hidden beast` number, since 550 + 60 + 11 + 36 + 2 + 5 + 2 = 666.

It is a super-2 number, since 2×550601136252² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550601136259) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2235543 + ... + 2469585.

Almost surely, 2^550601136252 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 550601136252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738624608568).

550601136252 is an abundant number, since it is smaller than the sum of its proper divisors (926648080884).

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

550601136252 is a wasteful number, since it uses less digits than its factorization.

550601136252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234249 (or 234238 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 550601136252 in words is "five hundred fifty billion, six hundred one million, one hundred thirty-six thousand, two hundred fifty-two".