53445061 has 4 divisors (see below), whose sum is σ = 53460000. Its totient is φ = 53430124.

The previous prime is 53445053. The next prime is 53445071. The reversal of 53445061 is 16054435.

53445061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53445061 - 2³ = 53445053 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 (53445011) 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 3 ways as a sum of consecutive naturals, for example, 1440 + ... + 10438.

It is an arithmetic number, because the mean of its divisors is an integer number (13365000).

Almost surely, 2^53445061 is an apocalyptic number.

It is an amenable number.

53445061 is a deficient number, since it is larger than the sum of its proper divisors (14939).

53445061 is an equidigital number, since it uses as much as digits as its factorization.

53445061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14938.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53445061 is about 7310.6129018024. The cubic root of 53445061 is about 376.6770776179.

Adding to 53445061 its reverse (16054435), we get a palindrome (69499496).

The spelling of 53445061 in words is "fifty-three million, four hundred forty-five thousand, sixty-one".