53061893 has 4 divisors (see below), whose sum is σ = 53149068. Its totient is φ = 52974720.

The previous prime is 53061859. The next prime is 53061907. The reversal of 53061893 is 39816035.

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 4592449 + 48469444 = 2143^2 + 6962^2 .

It is a cyclic number.

It is not a de Polignac number, because 53061893 - 2¹⁰ = 53060869 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 (53061823) 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, 42668 + ... + 43893.

It is an arithmetic number, because the mean of its divisors is an integer number (13287267).

Almost surely, 2^53061893 is an apocalyptic number.

It is an amenable number.

53061893 is a deficient number, since it is larger than the sum of its proper divisors (87175).

53061893 is an equidigital number, since it uses as much as digits as its factorization.

53061893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87174.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 53061893 is about 7284.3594776754. The cubic root of 53061893 is about 375.7747372798.

The spelling of 53061893 in words is "fifty-three million, sixty-one thousand, eight hundred ninety-three".