53257085 has 16 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 36447936.

The previous prime is 53257081. The next prime is 53257093. The reversal of 53257085 is 58075235.

It is not a de Polignac number, because 53257085 - 2² = 53257081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53257081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21911 + ... + 24219.

It is an arithmetic number, because the mean of its divisors is an integer number (4573800).

Almost surely, 2^53257085 is an apocalyptic number.

It is an amenable number.

53257085 is a deficient number, since it is larger than the sum of its proper divisors (19923715).

53257085 is a wasteful number, since it uses less digits than its factorization.

53257085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 53257085 is about 7297.7451997175. The cubic root of 53257085 is about 376.2349449280.

The spelling of 53257085 in words is "fifty-three million, two hundred fifty-seven thousand, eighty-five".