53972085 has 32 divisors (see below), whose sum is σ = 91579392. Its totient is φ = 27095040.

The previous prime is 53972069. The next prime is 53972101. The reversal of 53972085 is 58027935.

It is an interprime number because it is at equal distance from previous prime (53972069) and next prime (53972101).

It is not a de Polignac number, because 53972085 - 2⁴ = 53972069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15637 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (2861856).

Almost surely, 2^53972085 is an apocalyptic number.

It is an amenable number.

53972085 is a deficient number, since it is larger than the sum of its proper divisors (37607307).

53972085 is a wasteful number, since it uses less digits than its factorization.

53972085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 53972085 is about 7346.5696076468. The cubic root of 53972085 is about 377.9111728235.

The spelling of 53972085 in words is "fifty-three million, nine hundred seventy-two thousand, eighty-five".