53121454 has 8 divisors (see below), whose sum is σ = 83876040. Its totient is φ = 25162776.

The previous prime is 53121427. The next prime is 53121457. The reversal of 53121454 is 45412135.

It is a happy number.

53121454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53121457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698929 + ... + 699004.

It is an arithmetic number, because the mean of its divisors is an integer number (10484505).

Almost surely, 2^53121454 is an apocalyptic number.

53121454 is a deficient number, since it is larger than the sum of its proper divisors (30754586).

53121454 is a wasteful number, since it uses less digits than its factorization.

53121454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397954.

The product of its digits is 2400, while the sum is 25.

The square root of 53121454 is about 7288.4466109041. The cubic root of 53121454 is about 375.9152847851.

Adding to 53121454 its reverse (45412135), we get a palindrome (98533589).

The spelling of 53121454 in words is "fifty-three million, one hundred twenty-one thousand, four hundred fifty-four".