85375455 has 64 divisors (see below), whose sum is σ = 158906880. Its totient is φ = 38707200.

The previous prime is 85375439. The next prime is 85375481. The reversal of 85375455 is 55457358.

It is not a de Polignac number, because 85375455 - 2⁴ = 85375439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354135 + ... + 354375.

It is an arithmetic number, because the mean of its divisors is an integer number (2482920).

Almost surely, 2^85375455 is an apocalyptic number.

85375455 is a deficient number, since it is larger than the sum of its proper divisors (73531425).

85375455 is a wasteful number, since it uses less digits than its factorization.

85375455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its digits is 420000, while the sum is 42.

The square root of 85375455 is about 9239.8839278424. The cubic root of 85375455 is about 440.3293934989.

The spelling of 85375455 in words is "eighty-five million, three hundred seventy-five thousand, four hundred fifty-five".