85500424 has 16 divisors (see below), whose sum is σ = 161211600. Its totient is φ = 42510672.

The previous prime is 85500413. The next prime is 85500427. The reversal of 85500424 is 42400558.

It is a junction number, because it is equal to n+sod(n) for n = 85500392 and 85500401.

It is not an unprimeable number, because it can be changed into a prime (85500427) 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, 28422 + ... + 31285.

It is an arithmetic number, because the mean of its divisors is an integer number (10075725).

Almost surely, 2^85500424 is an apocalyptic number.

It is an amenable number.

85500424 is a deficient number, since it is larger than the sum of its proper divisors (75711176).

85500424 is a wasteful number, since it uses less digits than its factorization.

85500424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59892 (or 59888 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 85500424 is about 9246.6439317192. The cubic root of 85500424 is about 440.5441339720.

The spelling of 85500424 in words is "eighty-five million, five hundred thousand, four hundred twenty-four".