53469865 has 8 divisors (see below), whose sum is σ = 64885320. Its totient is φ = 42294912.

The previous prime is 53469853. The next prime is 53469869. The reversal of 53469865 is 56896435.

It can be written as a sum of positive squares in 4 ways, for example, as 11751184 + 41718681 = 3428^2 + 6459^2 .

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 53469865 - 2⁵ = 53469833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53469869) 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, 59634 + ... + 60523.

It is an arithmetic number, because the mean of its divisors is an integer number (8110665).

Almost surely, 2^53469865 is an apocalyptic number.

It is an amenable number.

53469865 is a deficient number, since it is larger than the sum of its proper divisors (11415455).

53469865 is a wasteful number, since it uses less digits than its factorization.

53469865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120251.

The product of its digits is 777600, while the sum is 46.

The square root of 53469865 is about 7312.3091428084. The cubic root of 53469865 is about 376.7353408952.

The spelling of 53469865 in words is "fifty-three million, four hundred sixty-nine thousand, eight hundred sixty-five".