53869505 has 8 divisors (see below), whose sum is σ = 64779072. Its totient is φ = 43005168.

The previous prime is 53869493. The next prime is 53869507. The reversal of 53869505 is 50596835.

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 53869505 - 2⁴ = 53869489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53869507) 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, 8627 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (8097384).

Almost surely, 2^53869505 is an apocalyptic number.

It is an amenable number.

53869505 is a deficient number, since it is larger than the sum of its proper divisors (10909567).

53869505 is a wasteful number, since it uses less digits than its factorization.

53869505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 53869505 is about 7339.5847975209. The cubic root of 53869505 is about 377.6716001267.

The spelling of 53869505 in words is "fifty-three million, eight hundred sixty-nine thousand, five hundred five".