85180054 has 4 divisors (see below), whose sum is σ = 127770084. Its totient is φ = 42590026.

The previous prime is 85180037. The next prime is 85180057. The reversal of 85180054 is 45008158.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 85179998 and 85180025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85180057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21295012 + ... + 21295015.

It is an arithmetic number, because the mean of its divisors is an integer number (31942521).

Almost surely, 2^85180054 is an apocalyptic number.

85180054 is a deficient number, since it is larger than the sum of its proper divisors (42590030).

85180054 is a wasteful number, since it uses less digits than its factorization.

85180054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42590029.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 85180054 is about 9229.3040907752. The cubic root of 85180054 is about 439.9932058180.

The spelling of 85180054 in words is "eighty-five million, one hundred eighty thousand, fifty-four".