5545034721 has 24 divisors (see below), whose sum is σ = 8484562944. Its totient is φ = 3477628800.

The previous prime is 5545034683. The next prime is 5545034753. The reversal of 5545034721 is 1274305455.

5545034721 is a `hidden beast` number, since 554 + 5 + 0 + 34 + 72 + 1 = 666.

It is not a de Polignac number, because 5545034721 - 2⁶ = 5545034657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5545034221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383200 + ... + 397406.

It is an arithmetic number, because the mean of its divisors is an integer number (353523456).

Almost surely, 2^5545034721 is an apocalyptic number.

5545034721 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5545034721 is a deficient number, since it is larger than the sum of its proper divisors (2939528223).

5545034721 is a wasteful number, since it uses less digits than its factorization.

5545034721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16781 (or 16778 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 5545034721 is about 74464.9899012952. The cubic root of 5545034721 is about 1769.9789033203.

The spelling of 5545034721 in words is "five billion, five hundred forty-five million, thirty-four thousand, seven hundred twenty-one".