85288056 has 32 divisors (see below), whose sum is σ = 243680640. Its totient is φ = 24367968.

The previous prime is 85288039. The next prime is 85288081. The reversal of 85288056 is 65088258.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 85287999 and 85288017.

It is a congruent number.

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, 253666 + ... + 254001.

It is an arithmetic number, because the mean of its divisors is an integer number (7615020).

Almost surely, 2^85288056 is an apocalyptic number.

It is an amenable number.

85288056 is an abundant number, since it is smaller than the sum of its proper divisors (158392584).

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

85288056 is a wasteful number, since it uses less digits than its factorization.

85288056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507683 (or 507679 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 85288056 is about 9235.1532743101. The cubic root of 85288056 is about 440.1790868786.

The spelling of 85288056 in words is "eighty-five million, two hundred eighty-eight thousand, fifty-six".