8554013521 has 8 divisors (see below), whose sum is σ = 8756331584. Its totient is φ = 8351849520.

The previous prime is 8554013497. The next prime is 8554013543. The reversal of 8554013521 is 1253104558.

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

It is a cyclic number.

It is not a de Polignac number, because 8554013521 - 2¹⁹ = 8553489233 is a prime.

It is a super-2 number, since 2×8554013521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8554013561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77956 + ... + 152266.

It is an arithmetic number, because the mean of its divisors is an integer number (1094541448).

Almost surely, 2^8554013521 is an apocalyptic number.

It is an amenable number.

8554013521 is a deficient number, since it is larger than the sum of its proper divisors (202318063).

8554013521 is a wasteful number, since it uses less digits than its factorization.

8554013521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77031.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 8554013521 is about 92487.9101342440. The cubic root of 8554013521 is about 2045.1412611972.

The spelling of 8554013521 in words is "eight billion, five hundred fifty-four million, thirteen thousand, five hundred twenty-one".