85739053 has 4 divisors (see below), whose sum is σ = 85761180. Its totient is φ = 85716928.

The previous prime is 85739047. The next prime is 85739081. The reversal of 85739053 is 35093758.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12687844 + 73051209 = 3562^2 + 8547^2 .

It is a cyclic number.

It is not a de Polignac number, because 85739053 - 2⁵ = 85739021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85738997 and 85739015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85739023) 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, 3550 + ... + 13567.

It is an arithmetic number, because the mean of its divisors is an integer number (21440295).

Almost surely, 2^85739053 is an apocalyptic number.

It is an amenable number.

85739053 is a deficient number, since it is larger than the sum of its proper divisors (22127).

85739053 is a wasteful number, since it uses less digits than its factorization.

85739053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22126.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 85739053 is about 9259.5384874193. The cubic root of 85739053 is about 440.9536015548.

The spelling of 85739053 in words is "eighty-five million, seven hundred thirty-nine thousand, fifty-three".