53445230 has 16 divisors (see below), whose sum is σ = 97638480. Its totient is φ = 21058752.

The previous prime is 53445221. The next prime is 53445239. The reversal of 53445230 is 3254435.

It is an interprime number because it is at equal distance from previous prime (53445221) and next prime (53445239).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53445230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39215 + ... + 40554.

It is an arithmetic number, because the mean of its divisors is an integer number (6102405).

Almost surely, 2^53445230 is an apocalyptic number.

53445230 is a deficient number, since it is larger than the sum of its proper divisors (44193250).

53445230 is a wasteful number, since it uses less digits than its factorization.

53445230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79843.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53445230 is about 7310.6244603317. The cubic root of 53445230 is about 376.6774746509.

Adding to 53445230 its reverse (3254435), we get a palindrome (56699665).

The spelling of 53445230 in words is "fifty-three million, four hundred forty-five thousand, two hundred thirty".