85504544 has 48 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 41743104.

The previous prime is 85504537. The next prime is 85504553. The reversal of 85504544 is 44540558.

It is a super-2 number, since 2×85504544² = 14622054089295872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376559 + ... + 376785.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^85504544 is an apocalyptic number.

It is an amenable number.

85504544 is an abundant number, since it is smaller than the sum of its proper divisors (86863456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85504544 is a wasteful number, since it uses less digits than its factorization.

85504544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 85504544 is about 9246.8667125681. The cubic root of 85504544 is about 440.5512100097.

The spelling of 85504544 in words is "eighty-five million, five hundred four thousand, five hundred forty-four".