5404450521 has 16 divisors (see below), whose sum is σ = 7276651200. Its totient is φ = 3567743808.

The previous prime is 5404450321. The next prime is 5404450559. The reversal of 5404450521 is 1250544045.

It is not a de Polignac number, because 5404450521 - 2¹⁴ = 5404434137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5404450561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145555 + ... + 178871.

It is an arithmetic number, because the mean of its divisors is an integer number (454790700).

Almost surely, 2^5404450521 is an apocalyptic number.

It is an amenable number.

5404450521 is a deficient number, since it is larger than the sum of its proper divisors (1872200679).

5404450521 is a wasteful number, since it uses less digits than its factorization.

5404450521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33848.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5404450521 is about 73514.9680065223. The cubic root of 5404450521 is about 1754.8924884424.

Adding to 5404450521 its reverse (1250544045), we get a palindrome (6654994566).

The spelling of 5404450521 in words is "five billion, four hundred four million, four hundred fifty thousand, five hundred twenty-one".