85900555 has 16 divisors (see below), whose sum is σ = 111666240. Its totient is φ = 63059328.

The previous prime is 85900553. The next prime is 85900559. The reversal of 85900555 is 55500958.

It is a cyclic number.

It is not a de Polignac number, because 85900555 - 2¹ = 85900553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85900553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7426 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (6979140).

Almost surely, 2^85900555 is an apocalyptic number.

85900555 is a deficient number, since it is larger than the sum of its proper divisors (25765685).

85900555 is a wasteful number, since it uses less digits than its factorization.

85900555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830.

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 85900555 is about 9268.2552295456. The cubic root of 85900555 is about 441.2302946845.

The spelling of 85900555 in words is "eighty-five million, nine hundred thousand, five hundred fifty-five".