53424365 has 4 divisors (see below), whose sum is σ = 64109244. Its totient is φ = 42739488.

The previous prime is 53424359. The next prime is 53424367. The reversal of 53424365 is 56342435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25270729 + 28153636 = 5027^2 + 5306^2 .

It is a cyclic number.

It is not a de Polignac number, because 53424365 - 2²² = 49230061 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 (53424367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5342432 + ... + 5342441.

It is an arithmetic number, because the mean of its divisors is an integer number (16027311).

Almost surely, 2^53424365 is an apocalyptic number.

It is an amenable number.

53424365 is a deficient number, since it is larger than the sum of its proper divisors (10684879).

53424365 is a wasteful number, since it uses less digits than its factorization.

53424365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684878.

The product of its digits is 43200, while the sum is 32.

The square root of 53424365 is about 7309.1972883484. The cubic root of 53424365 is about 376.6284500171.

The spelling of 53424365 in words is "fifty-three million, four hundred twenty-four thousand, three hundred sixty-five".