5550451420 has 24 divisors (see below), whose sum is σ = 12031947648. Its totient is φ = 2148561600.

The previous prime is 5550451411. The next prime is 5550451421. The reversal of 5550451420 is 241540555.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550451421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475551 + ... + 4476790.

It is an arithmetic number, because the mean of its divisors is an integer number (501331152).

Almost surely, 2^5550451420 is an apocalyptic number.

It is an amenable number.

5550451420 is an abundant number, since it is smaller than the sum of its proper divisors (6481496228).

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

5550451420 is a wasteful number, since it uses less digits than its factorization.

5550451420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952381 (or 8952379 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5550451420 is about 74501.3517998164. The cubic root of 5550451420 is about 1770.5550537733. Note that the first 3 decimals are identical.

Adding to 5550451420 its reverse (241540555), we get a palindrome (5791991975).

The spelling of 5550451420 in words is "five billion, five hundred fifty million, four hundred fifty-one thousand, four hundred twenty".