85577015855053 has 16 divisors (see below), whose sum is σ = 87854104687680. Its totient is φ = 83333270313216.

The previous prime is 85577015854991. The next prime is 85577015855173. The reversal of 85577015855053 is 35055851077558.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85577015855053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85577015855953) 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, 12042550 + ... + 17781367.

It is an arithmetic number, because the mean of its divisors is an integer number (5490881542980).

Almost surely, 2^{85577015855053} is an apocalyptic number.

It is an amenable number.

85577015855053 is a deficient number, since it is larger than the sum of its proper divisors (2277088832627).

85577015855053 is a wasteful number, since it uses less digits than its factorization.

85577015855053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29824476.

The product of its (nonzero) digits is 147000000, while the sum is 64.

The spelling of 85577015855053 in words is "eighty-five trillion, five hundred seventy-seven billion, fifteen million, eight hundred fifty-five thousand, fifty-three".