53355510605 has 4 divisors (see below), whose sum is σ = 64026612732. Its totient is φ = 42684408480.

The previous prime is 53355510583. The next prime is 53355510631. The reversal of 53355510605 is 50601555335.

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 11813733481 + 41541777124 = 108691^2 + 203818^2 .

It is not a de Polignac number, because 53355510605 - 2⁸ = 53355510349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335551056 + ... + 5335551065.

It is an arithmetic number, because the mean of its divisors is an integer number (16006653183).

Almost surely, 2^53355510605 is an apocalyptic number.

It is an amenable number.

53355510605 is a deficient number, since it is larger than the sum of its proper divisors (10671102127).

53355510605 is a wasteful number, since it uses less digits than its factorization.

53355510605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671102126.

The product of its (nonzero) digits is 168750, while the sum is 38.

The spelling of 53355510605 in words is "fifty-three billion, three hundred fifty-five million, five hundred ten thousand, six hundred five".