8526551920 has 20 divisors (see below), whose sum is σ = 19824233400. Its totient is φ = 3410620736.

The previous prime is 8526551897. The next prime is 8526551933. The reversal of 8526551920 is 291556258.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53290870 + ... + 53291029.

It is an arithmetic number, because the mean of its divisors is an integer number (991211670).

Almost surely, 2^8526551920 is an apocalyptic number.

8526551920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8526551920 is an abundant number, since it is smaller than the sum of its proper divisors (11297681480).

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

8526551920 is a wasteful number, since it uses less digits than its factorization.

8526551920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106581912 (or 106581906 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 8526551920 is about 92339.3302986328. The cubic root of 8526551920 is about 2042.9503574036.

The spelling of 8526551920 in words is "eight billion, five hundred twenty-six million, five hundred fifty-one thousand, nine hundred twenty".