86228553 has 4 divisors (see below), whose sum is σ = 114971408. Its totient is φ = 57485700.

The previous prime is 86228551. The next prime is 86228561. The reversal of 86228553 is 35582268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86228553 - 2¹ = 86228551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86228551) 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, 14371423 + ... + 14371428.

It is an arithmetic number, because the mean of its divisors is an integer number (28742852).

Almost surely, 2^86228553 is an apocalyptic number.

It is an amenable number.

86228553 is a deficient number, since it is larger than the sum of its proper divisors (28742855).

86228553 is a wasteful number, since it uses less digits than its factorization.

86228553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28742854.

The product of its digits is 115200, while the sum is 39.

The square root of 86228553 is about 9285.9330710489. The cubic root of 86228553 is about 441.7911713230.

The spelling of 86228553 in words is "eighty-six million, two hundred twenty-eight thousand, five hundred fifty-three".