53456279 has 8 divisors (see below), whose sum is σ = 57152160. Its totient is φ = 49821696.

The previous prime is 53456243. The next prime is 53456281. The reversal of 53456279 is 97265435.

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

It is not a de Polignac number, because 53456279 - 2²⁰ = 52407703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53456239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13514 + ... + 17015.

It is an arithmetic number, because the mean of its divisors is an integer number (7144020).

Almost surely, 2^53456279 is an apocalyptic number.

53456279 is a deficient number, since it is larger than the sum of its proper divisors (3695881).

53456279 is a wasteful number, since it uses less digits than its factorization.

53456279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30649.

The product of its digits is 226800, while the sum is 41.

The square root of 53456279 is about 7311.3801022789. The cubic root of 53456279 is about 376.7034303358.

It can be divided in two parts, 53456 and 279, that added together give a palindrome (53735).

The spelling of 53456279 in words is "fifty-three million, four hundred fifty-six thousand, two hundred seventy-nine".