85030558 has 4 divisors (see below), whose sum is σ = 127545840. Its totient is φ = 42515278.

The previous prime is 85030553. The next prime is 85030559. The reversal of 85030558 is 85503058.

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

It is a super-3 number, since 3×85030558³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85030553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21257638 + ... + 21257641.

It is an arithmetic number, because the mean of its divisors is an integer number (31886460).

Almost surely, 2^85030558 is an apocalyptic number.

85030558 is a deficient number, since it is larger than the sum of its proper divisors (42515282).

85030558 is a wasteful number, since it uses less digits than its factorization.

85030558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42515281.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 85030558 is about 9221.2015486053. The cubic root of 85030558 is about 439.7356504407.

The spelling of 85030558 in words is "eighty-five million, thirty thousand, five hundred fifty-eight".