53040081 has 8 divisors (see below), whose sum is σ = 71775904. Its totient is φ = 34832160.

The previous prime is 53040061. The next prime is 53040107. The reversal of 53040081 is 18004035.

53040081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53040081 - 2¹³ = 53031889 is a prime.

It is a super-2 number, since 2×53040081² = 5626500384973122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53040061) 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 7 ways as a sum of consecutive naturals, for example, 131740 + ... + 132141.

It is an arithmetic number, because the mean of its divisors is an integer number (8971988).

Almost surely, 2^53040081 is an apocalyptic number.

It is an amenable number.

53040081 is a deficient number, since it is larger than the sum of its proper divisors (18735823).

53040081 is a wasteful number, since it uses less digits than its factorization.

53040081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263951.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 53040081 is about 7282.8621434159. The cubic root of 53040081 is about 375.7232406755.

The spelling of 53040081 in words is "fifty-three million, forty thousand, eighty-one".