85772053 has 4 divisors (see below), whose sum is σ = 88729740. Its totient is φ = 82814368.

The previous prime is 85772051. The next prime is 85772069. The reversal of 85772053 is 35027758.

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 59629284 + 26142769 = 7722^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 85772053 - 2¹ = 85772051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85772051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478800 + ... + 1478857.

It is an arithmetic number, because the mean of its divisors is an integer number (22182435).

Almost surely, 2^85772053 is an apocalyptic number.

It is an amenable number.

85772053 is a deficient number, since it is larger than the sum of its proper divisors (2957687).

85772053 is a wasteful number, since it uses less digits than its factorization.

85772053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957686.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 85772053 is about 9261.3202622520. The cubic root of 85772053 is about 441.0101669970.

The spelling of 85772053 in words is "eighty-five million, seven hundred seventy-two thousand, fifty-three".