86553029 has 4 divisors (see below), whose sum is σ = 86639820. Its totient is φ = 86466240.

The previous prime is 86553017. The next prime is 86553053. The reversal of 86553029 is 92035568.

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 56325025 + 30228004 = 7505^2 + 5498^2 .

It is a cyclic number.

It is not a de Polignac number, because 86553029 - 2⁴ = 86553013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86552983 and 86553001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86558029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41882 + ... + 43899.

It is an arithmetic number, because the mean of its divisors is an integer number (21659955).

Almost surely, 2^86553029 is an apocalyptic number.

It is an amenable number.

86553029 is a deficient number, since it is larger than the sum of its proper divisors (86791).

86553029 is a wasteful number, since it uses less digits than its factorization.

86553029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86790.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 86553029 is about 9303.3880387738. The cubic root of 86553029 is about 442.3446275883.

The spelling of 86553029 in words is "eighty-six million, five hundred fifty-three thousand, twenty-nine".