53030253 has 4 divisors (see below), whose sum is σ = 70707008. Its totient is φ = 35353500.

The previous prime is 53030207. The next prime is 53030267. The reversal of 53030253 is 35203035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53030253 - 2⁶ = 53030189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53034253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8838373 + ... + 8838378.

It is an arithmetic number, because the mean of its divisors is an integer number (17676752).

Almost surely, 2^53030253 is an apocalyptic number.

It is an amenable number.

53030253 is a deficient number, since it is larger than the sum of its proper divisors (17676755).

53030253 is a wasteful number, since it uses less digits than its factorization.

53030253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17676754.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 53030253 is about 7282.1873774299. The cubic root of 53030253 is about 375.7000328420.

Adding to 53030253 its reverse (35203035), we get a palindrome (88233288).

The spelling of 53030253 in words is "fifty-three million, thirty thousand, two hundred fifty-three".