53376321 has 4 divisors (see below), whose sum is σ = 71168432. Its totient is φ = 35584212.

The previous prime is 53376317. The next prime is 53376331. The reversal of 53376321 is 12367335.

53376321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53376321 - 2² = 53376317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53376331) 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, 8896051 + ... + 8896056.

It is an arithmetic number, because the mean of its divisors is an integer number (17792108).

Almost surely, 2^53376321 is an apocalyptic number.

It is an amenable number.

53376321 is a deficient number, since it is larger than the sum of its proper divisors (17792111).

53376321 is a wasteful number, since it uses less digits than its factorization.

53376321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792110.

The product of its digits is 11340, while the sum is 30.

The square root of 53376321 is about 7305.9100049207. The cubic root of 53376321 is about 376.5155167509.

The spelling of 53376321 in words is "fifty-three million, three hundred seventy-six thousand, three hundred twenty-one".