8553451720 has 64 divisors (see below), whose sum is σ = 21339080640. Its totient is φ = 3059347200.

The previous prime is 8553451717. The next prime is 8553451793. The reversal of 8553451720 is 271543558.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132502 + ... + 186181.

It is an arithmetic number, because the mean of its divisors is an integer number (333423135).

Almost surely, 2^8553451720 is an apocalyptic number.

It is an amenable number.

8553451720 is an abundant number, since it is smaller than the sum of its proper divisors (12785628920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8553451720 is a wasteful number, since it uses less digits than its factorization.

8553451720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318766 (or 318762 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 8553451720 is about 92484.8729252519. The cubic root of 8553451720 is about 2045.0964873782.

The spelling of 8553451720 in words is "eight billion, five hundred fifty-three million, four hundred fifty-one thousand, seven hundred twenty".