85555743 has 24 divisors (see below), whose sum is σ = 141176448. Its totient is φ = 45126432.

The previous prime is 85555703. The next prime is 85555763. The reversal of 85555743 is 34755558.

It is not a de Polignac number, because 85555743 - 2¹³ = 85547551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85555695 and 85555704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85555703) 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, 8505 + ... + 15602.

It is an arithmetic number, because the mean of its divisors is an integer number (5882352).

Almost surely, 2^85555743 is an apocalyptic number.

85555743 is a deficient number, since it is larger than the sum of its proper divisors (55620705).

85555743 is a wasteful number, since it uses less digits than its factorization.

85555743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24143 (or 24130 counting only the distinct ones).

The product of its digits is 420000, while the sum is 42.

The square root of 85555743 is about 9249.6347495455. The cubic root of 85555743 is about 440.6391245611.

The spelling of 85555743 in words is "eighty-five million, five hundred fifty-five thousand, seven hundred forty-three".