5550181632 has 54 divisors (see below), whose sum is σ = 16002548562. Its totient is φ = 1850059776.

The previous prime is 5550181621. The next prime is 5550181639. The reversal of 5550181632 is 2361810555.

It is a happy number.

5550181632 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 18 + 1 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4155607296 + 1394574336 = 64464^2 + 37344^2 .

It is a super-2 number, since 2×5550181632² = 61609032296380366848, which 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 (5550181639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1202163 + ... + 1206770.

Almost surely, 2^5550181632 is an apocalyptic number.

It is an amenable number.

5550181632 is an abundant number, since it is smaller than the sum of its proper divisors (10452366930).

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

5550181632 is a wasteful number, since it uses less digits than its factorization.

5550181632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408955 (or 2408938 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 5550181632 is about 74499.5411529494. The cubic root of 5550181632 is about 1770.5263664822.

The spelling of 5550181632 in words is "five billion, five hundred fifty million, one hundred eighty-one thousand, six hundred thirty-two".