53044145 has 16 divisors (see below), whose sum is σ = 79360128. Its totient is φ = 33066240.

The previous prime is 53044133. The next prime is 53044151. The reversal of 53044145 is 54144035.

53044145 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 53044145 - 2¹⁴ = 53027761 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, 68504 + ... + 69273.

It is an arithmetic number, because the mean of its divisors is an integer number (4960008).

Almost surely, 2^53044145 is an apocalyptic number.

53044145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53044145 is a deficient number, since it is larger than the sum of its proper divisors (26315983).

53044145 is a wasteful number, since it uses less digits than its factorization.

53044145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137800.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 53044145 is about 7283.1411492570. The cubic root of 53044145 is about 375.7328365649.

It can be divided in two parts, 5304 and 4145, that added together give a palindrome (9449).

The spelling of 53044145 in words is "fifty-three million, forty-four thousand, one hundred forty-five".