85405650056 has 32 divisors (see below), whose sum is σ = 170200103040. Its totient is φ = 40038060288.

The previous prime is 85405650053. The next prime is 85405650089. The reversal of 85405650056 is 65005650458.

It is a super-2 number, since 2×85405650056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85405649989 and 85405650016.

It is not an unprimeable number, because it can be changed into a prime (85405650053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158116 + ... + 1229651.

It is an arithmetic number, because the mean of its divisors is an integer number (5318753220).

Almost surely, 2^85405650056 is an apocalyptic number.

It is an amenable number.

85405650056 is a deficient number, since it is larger than the sum of its proper divisors (84794452984).

85405650056 is a wasteful number, since it uses less digits than its factorization.

85405650056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388053 (or 2388049 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 85405650056 in words is "eighty-five billion, four hundred five million, six hundred fifty thousand, fifty-six".