85486654550 has 48 divisors (see below), whose sum is σ = 173741112000. Its totient is φ = 31035712800.

The previous prime is 85486654511. The next prime is 85486654553. The reversal of 85486654550 is 5545668458.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85486654553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214901 + ... + 465999.

It is an arithmetic number, because the mean of its divisors is an integer number (3619606500).

Almost surely, 2^85486654550 is an apocalyptic number.

85486654550 is an abundant number, since it is smaller than the sum of its proper divisors (88254457450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85486654550 is a wasteful number, since it uses less digits than its factorization.

85486654550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251741 (or 251736 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 56.

The spelling of 85486654550 in words is "eighty-five billion, four hundred eighty-six million, six hundred fifty-four thousand, five hundred fifty".