53398379 has 8 divisors (see below), whose sum is σ = 56616000. Its totient is φ = 50221512.

The previous prime is 53398361. The next prime is 53398409. The reversal of 53398379 is 97389335.

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

It is a cyclic number.

It is not a de Polignac number, because 53398379 - 2⁸ = 53398123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53398339) 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, 7469 + ... + 12750.

It is an arithmetic number, because the mean of its divisors is an integer number (7077000).

Almost surely, 2^53398379 is an apocalyptic number.

53398379 is a deficient number, since it is larger than the sum of its proper divisors (3217621).

53398379 is a wasteful number, since it uses less digits than its factorization.

53398379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377.

The product of its digits is 612360, while the sum is 47.

The square root of 53398379 is about 7307.4194487521. The cubic root of 53398379 is about 376.5673751738.

The spelling of 53398379 in words is "fifty-three million, three hundred ninety-eight thousand, three hundred seventy-nine".