5554315521 has 24 divisors (see below), whose sum is σ = 8060807040. Its totient is φ = 3685421376.

The previous prime is 5554315493. The next prime is 5554315549. The reversal of 5554315521 is 1255134555.

5554315521 is a `hidden beast` number, since 5 + 554 + 31 + 55 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (5554315493) and next prime (5554315549).

It is not a de Polignac number, because 5554315521 - 2⁶ = 5554315457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5554315721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2723020 + ... + 2725058.

It is an arithmetic number, because the mean of its divisors is an integer number (335866960).

Almost surely, 2^5554315521 is an apocalyptic number.

It is an amenable number.

5554315521 is a deficient number, since it is larger than the sum of its proper divisors (2506491519).

5554315521 is a wasteful number, since it uses less digits than its factorization.

5554315521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3322 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 5554315521 is about 74527.2803810792. The cubic root of 5554315521 is about 1770.9658321643.

The spelling of 5554315521 in words is "five billion, five hundred fifty-four million, three hundred fifteen thousand, five hundred twenty-one".