53255755505 has 8 divisors (see below), whose sum is σ = 63908158632. Its totient is φ = 42603769728.

The previous prime is 53255755499. The next prime is 53255755529. The reversal of 53255755505 is 50555755235.

53255755505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7888459489 + 45367296016 = 88817^2 + 212996^2 .

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 53255755505 - 2²⁰ = 53254706929 is a prime.

It is a super-3 number, since 3×53255755505³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53255755505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385259 + ... + 504911.

It is an arithmetic number, because the mean of its divisors is an integer number (7988519829).

Almost surely, 2^53255755505 is an apocalyptic number.

It is an amenable number.

53255755505 is a deficient number, since it is larger than the sum of its proper divisors (10652403127).

53255755505 is a wasteful number, since it uses less digits than its factorization.

53255755505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208675.

The product of its (nonzero) digits is 3281250, while the sum is 47.

The spelling of 53255755505 in words is "fifty-three billion, two hundred fifty-five million, seven hundred fifty-five thousand, five hundred five".