86552550 has 240 divisors, whose sum is σ = 285196032. Its totient is φ = 19051200.

The previous prime is 86552549. The next prime is 86552567. The reversal of 86552550 is 5525568.

86552550 is a `hidden beast` number, since 86 + 5 + 525 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1219015 + ... + 1219085.

Almost surely, 2^86552550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86552550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142598016).

86552550 is an abundant number, since it is smaller than the sum of its proper divisors (198643482).

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

86552550 is a wasteful number, since it uses less digits than its factorization.

86552550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 86552550 is about 9303.3622954285. The cubic root of 86552550 is about 442.3438115819.

The spelling of 86552550 in words is "eighty-six million, five hundred fifty-two thousand, five hundred fifty".