85540101 has 4 divisors (see below), whose sum is σ = 114053472. Its totient is φ = 57026732.

The previous prime is 85540099. The next prime is 85540127. The reversal of 85540101 is 10104558.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85540101 - 2¹ = 85540099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85540181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256681 + ... + 14256686.

It is an arithmetic number, because the mean of its divisors is an integer number (28513368).

Almost surely, 2^85540101 is an apocalyptic number.

It is an amenable number.

85540101 is a deficient number, since it is larger than the sum of its proper divisors (28513371).

85540101 is a wasteful number, since it uses less digits than its factorization.

85540101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28513370.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 85540101 is about 9248.7891639933. The cubic root of 85540101 is about 440.6122691760.

Adding to 85540101 its reverse (10104558), we get a palindrome (95644659).

The spelling of 85540101 in words is "eighty-five million, five hundred forty thousand, one hundred one".