53450755 has 24 divisors (see below), whose sum is σ = 67817232. Its totient is φ = 40406976.

The previous prime is 53450753. The next prime is 53450759. The reversal of 53450755 is 55705435.

It is not a de Polignac number, because 53450755 - 2¹ = 53450753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53450755.

It is not an unprimeable number, because it can be changed into a prime (53450753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643944 + ... + 644026.

It is an arithmetic number, because the mean of its divisors is an integer number (2825718).

Almost surely, 2^53450755 is an apocalyptic number.

53450755 is a deficient number, since it is larger than the sum of its proper divisors (14366477).

53450755 is an equidigital number, since it uses as much as digits as its factorization.

53450755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 53450755 is about 7311.0023252629. The cubic root of 53450755 is about 376.6904541151.

Subtracting from 53450755 its sum of digits (34), we obtain a square (53450721 = 7311²).

The spelling of 53450755 in words is "fifty-three million, four hundred fifty thousand, seven hundred fifty-five".