53023081 has 4 divisors (see below), whose sum is σ = 53548164. Its totient is φ = 52498000.

The previous prime is 53023057. The next prime is 53023093. The reversal of 53023081 is 18032035.

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 32592681 + 20430400 = 5709^2 + 4520^2 .

It is a cyclic number.

It is not a de Polignac number, because 53023081 - 2¹⁵ = 52990313 is a prime.

It is a super-2 number, since 2×53023081² = 5622894237465122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53023181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262390 + ... + 262591.

It is an arithmetic number, because the mean of its divisors is an integer number (13387041).

Almost surely, 2^53023081 is an apocalyptic number.

It is an amenable number.

53023081 is a deficient number, since it is larger than the sum of its proper divisors (525083).

53023081 is a wasteful number, since it uses less digits than its factorization.

53023081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525082.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 53023081 is about 7281.6949263204. The cubic root of 53023081 is about 375.6830950756.

The spelling of 53023081 in words is "fifty-three million, twenty-three thousand, eighty-one".