5547121406 has 8 divisors (see below), whose sum is σ = 8341642200. Its totient is φ = 2766574008.

The previous prime is 5547121397. The next prime is 5547121409. The reversal of 5547121406 is 6041217455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5547121409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492356 + ... + 3493943.

It is an arithmetic number, because the mean of its divisors is an integer number (1042705275).

Almost surely, 2^5547121406 is an apocalyptic number.

5547121406 is a deficient number, since it is larger than the sum of its proper divisors (2794520794).

5547121406 is a wasteful number, since it uses less digits than its factorization.

5547121406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986698.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 5547121406 is about 74478.9997650344. Note that the first 3 decimals coincide. The cubic root of 5547121406 is about 1770.2008992390.

Adding to 5547121406 its sum of digits (35), we get a square (5547121441 = 74479²).

The spelling of 5547121406 in words is "five billion, five hundred forty-seven million, one hundred twenty-one thousand, four hundred six".