85642753053 has 64 divisors (see below), whose sum is σ = 136828258560. Its totient is φ = 46958745600.

The previous prime is 85642753019. The next prime is 85642753073. The reversal of 85642753053 is 35035724658.

It is a happy number.

It is not a de Polignac number, because 85642753053 - 2¹⁰ = 85642752029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85642752993 and 85642753011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85642753073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36582663 + ... + 36585003.

It is an arithmetic number, because the mean of its divisors is an integer number (2137941540).

Almost surely, 2^85642753053 is an apocalyptic number.

It is an amenable number.

85642753053 is a deficient number, since it is larger than the sum of its proper divisors (51185505507).

85642753053 is a wasteful number, since it uses less digits than its factorization.

85642753053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 85642753053 in words is "eighty-five billion, six hundred forty-two million, seven hundred fifty-three thousand, fifty-three".