85056490 has 8 divisors (see below), whose sum is σ = 153101700. Its totient is φ = 34022592.

The previous prime is 85056481. The next prime is 85056493. The reversal of 85056490 is 9465058.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 6610041 = 8857^2 + 2571^2 .

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

It is a super-2 number, since 2×85056490² = 14469212982240200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85056493) 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, 4252815 + ... + 4252834.

Almost surely, 2^85056490 is an apocalyptic number.

85056490 is a deficient number, since it is larger than the sum of its proper divisors (68045210).

85056490 is a wasteful number, since it uses less digits than its factorization.

85056490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505656.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 85056490 is about 9222.6075488443. The cubic root of 85056490 is about 439.7803483553.

The spelling of 85056490 in words is "eighty-five million, fifty-six thousand, four hundred ninety".