5554273729 has 3 divisors (see below), whose sum is σ = 5554348257. Its totient is φ = 5554199202.

The previous prime is 5554273727. The next prime is 5554273733. The reversal of 5554273729 is 9273724555.

The square root of 5554273729 is 74527.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5554273729 - 2¹ = 5554273727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5554273723) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37264 + ... + 111790.

It is an arithmetic number, because the mean of its divisors is an integer number (1851449419).

Almost surely, 2^5554273729 is an apocalyptic number.

5554273729 is the 74527-th square number.

5554273729 is the 37264-th centered octagonal number.

It is an amenable number.

5554273729 is a deficient number, since it is larger than the sum of its proper divisors (74528).

5554273729 is an frugal number, since it uses more digits than its factorization.

5554273729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149054 (or 74527 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 49.

The cubic root of 5554273729 is about 1770.9613904295.

Multiplying 5554273729 by its sum of digits (49), we get a square (272159412721 = 521689²).

The spelling of 5554273729 in words is "five billion, five hundred fifty-four million, two hundred seventy-three thousand, seven hundred twenty-nine".