53012253 has 8 divisors (see below), whose sum is σ = 80780608. Its totient is φ = 30292704.

The previous prime is 53012251. The next prime is 53012257. The reversal of 53012253 is 35221035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53012253 - 2¹ = 53012251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2524393 = 53012253 / (5 + 3 + 0 + 1 + 2 + 2 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53012251) 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, 1262176 + ... + 1262217.

It is an arithmetic number, because the mean of its divisors is an integer number (10097576).

Almost surely, 2^53012253 is an apocalyptic number.

It is an amenable number.

53012253 is a deficient number, since it is larger than the sum of its proper divisors (27768355).

53012253 is a wasteful number, since it uses less digits than its factorization.

53012253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524403.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53012253 is about 7280.9513801426. The cubic root of 53012253 is about 375.6575202164.

Adding to 53012253 its reverse (35221035), we get a palindrome (88233288).

The spelling of 53012253 in words is "fifty-three million, twelve thousand, two hundred fifty-three".