86550537 has 16 divisors (see below), whose sum is σ = 118153728. Its totient is φ = 56334720.

The previous prime is 86550517. The next prime is 86550539. The reversal of 86550537 is 73505568.

It is not a de Polignac number, because 86550537 - 2¹⁹ = 86026249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86550495 and 86550504.

It is not an unprimeable number, because it can be changed into a prime (86550539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34237 + ... + 36677.

It is an arithmetic number, because the mean of its divisors is an integer number (7384608).

Almost surely, 2^86550537 is an apocalyptic number.

It is an amenable number.

86550537 is a deficient number, since it is larger than the sum of its proper divisors (31603191).

86550537 is a wasteful number, since it uses less digits than its factorization.

86550537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 86550537 is about 9303.2541081065. The cubic root of 86550537 is about 442.3403822780.

The spelling of 86550537 in words is "eighty-six million, five hundred fifty thousand, five hundred thirty-seven".