86554649 has 4 divisors (see below), whose sum is σ = 88665780. Its totient is φ = 84443520.

The previous prime is 86554621. The next prime is 86554651. The reversal of 86554649 is 94645568.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38502025 + 48052624 = 6205^2 + 6932^2 .

It is a cyclic number.

It is not a de Polignac number, because 86554649 - 2¹⁶ = 86489113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86554679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055504 + ... + 1055585.

It is an arithmetic number, because the mean of its divisors is an integer number (22166445).

Almost surely, 2^86554649 is an apocalyptic number.

It is an amenable number.

86554649 is a deficient number, since it is larger than the sum of its proper divisors (2111131).

86554649 is a wasteful number, since it uses less digits than its factorization.

86554649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111130.

The product of its digits is 1036800, while the sum is 47.

The square root of 86554649 is about 9303.4751034224. The cubic root of 86554649 is about 442.3473873370.

The spelling of 86554649 in words is "eighty-six million, five hundred fifty-four thousand, six hundred forty-nine".