86055431 has 8 divisors (see below), whose sum is σ = 107289984. Its totient is φ = 67056120.

The previous prime is 86055421. The next prime is 86055439. The reversal of 86055431 is 13455068.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86055431 - 2¹⁴ = 86039047 is a prime.

It is a super-2 number, since 2×86055431² = 14811074409191522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86055439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558725 + ... + 558878.

It is an arithmetic number, because the mean of its divisors is an integer number (13411248).

Almost surely, 2^86055431 is an apocalyptic number.

86055431 is a deficient number, since it is larger than the sum of its proper divisors (21234553).

86055431 is a wasteful number, since it uses less digits than its factorization.

86055431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117621.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 86055431 is about 9276.6066532973. The cubic root of 86055431 is about 441.4953102598.

The spelling of 86055431 in words is "eighty-six million, fifty-five thousand, four hundred thirty-one".