85556438 has 48 divisors (see below), whose sum is σ = 148811040. Its totient is φ = 36812160.

The previous prime is 85556437. The next prime is 85556441. The reversal of 85556438 is 83465558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85556437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512231 + ... + 512397.

It is an arithmetic number, because the mean of its divisors is an integer number (3100230).

Almost surely, 2^85556438 is an apocalyptic number.

85556438 is a deficient number, since it is larger than the sum of its proper divisors (63254602).

85556438 is a wasteful number, since it uses less digits than its factorization.

85556438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 282 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The square root of 85556438 is about 9249.6723185203. The cubic root of 85556438 is about 440.6403177144.

The spelling of 85556438 in words is "eighty-five million, five hundred fifty-six thousand, four hundred thirty-eight".