85740555 has 8 divisors (see below), whose sum is σ = 137184912. Its totient is φ = 45728288.

The previous prime is 85740547. The next prime is 85740583. The reversal of 85740555 is 55504758.

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

It is a cyclic number.

It is not a de Polignac number, because 85740555 - 2³ = 85740547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858004 + ... + 2858033.

It is an arithmetic number, because the mean of its divisors is an integer number (17148114).

Almost surely, 2^85740555 is an apocalyptic number.

85740555 is a deficient number, since it is larger than the sum of its proper divisors (51444357).

85740555 is a wasteful number, since it uses less digits than its factorization.

85740555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716045.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 85740555 is about 9259.6195926183. The cubic root of 85740555 is about 440.9561764547.

The spelling of 85740555 in words is "eighty-five million, seven hundred forty thousand, five hundred fifty-five".