53031545 has 32 divisors (see below), whose sum is σ = 77162496. Its totient is φ = 34214400.

The previous prime is 53031541. The next prime is 53031553. The reversal of 53031545 is 54513035.

53031545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53031545 - 2² = 53031541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53031541) 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 31 ways as a sum of consecutive naturals, for example, 39485 + ... + 40805.

It is an arithmetic number, because the mean of its divisors is an integer number (2411328).

Almost surely, 2^53031545 is an apocalyptic number.

It is an amenable number.

53031545 is a deficient number, since it is larger than the sum of its proper divisors (24130951).

53031545 is a wasteful number, since it uses less digits than its factorization.

53031545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

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

The square root of 53031545 is about 7282.2760864993. The cubic root of 53031545 is about 375.7030839338.

The spelling of 53031545 in words is "fifty-three million, thirty-one thousand, five hundred forty-five".