53130545 has 16 divisors (see below), whose sum is σ = 69349392. Its totient is φ = 38841600.

The previous prime is 53130533. The next prime is 53130563. The reversal of 53130545 is 54503135.

53130545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1024 + 53129521 = 32^2 + 7289^2 .

It is not a de Polignac number, because 53130545 - 2⁶ = 53130481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2519 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (4334337).

Almost surely, 2^53130545 is an apocalyptic number.

It is an amenable number.

53130545 is a deficient number, since it is larger than the sum of its proper divisors (16218847).

53130545 is a wasteful number, since it uses less digits than its factorization.

53130545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 53130545 is about 7289.0702424932. The cubic root of 53130545 is about 375.9367277908.

The spelling of 53130545 in words is "fifty-three million, one hundred thirty thousand, five hundred forty-five".