53451213 has 8 divisors (see below), whose sum is σ = 75460608. Its totient is φ = 33537984.

The previous prime is 53451197. The next prime is 53451239. The reversal of 53451213 is 31215435.

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

It is not a de Polignac number, because 53451213 - 2⁴ = 53451197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53452213) 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, 523981 + ... + 524082.

It is an arithmetic number, because the mean of its divisors is an integer number (9432576).

Almost surely, 2^53451213 is an apocalyptic number.

It is an amenable number.

53451213 is a deficient number, since it is larger than the sum of its proper divisors (22009395).

53451213 is a wasteful number, since it uses less digits than its factorization.

53451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048083.

The product of its digits is 1800, while the sum is 24.

The square root of 53451213 is about 7311.0336478504. The cubic root of 53451213 is about 376.6915300196.

Adding to 53451213 its reverse (31215435), we get a palindrome (84666648).

The spelling of 53451213 in words is "fifty-three million, four hundred fifty-one thousand, two hundred thirteen".