53252501605 has 4 divisors (see below), whose sum is σ = 63903001932. Its totient is φ = 42602001280.

The previous prime is 53252501551. The next prime is 53252501677. The reversal of 53252501605 is 50610525235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50610525235 = 5 ⋅10122105047.

It can be written as a sum of positive squares in 2 ways, for example, as 12706249284 + 40546252321 = 112722^2 + 201361^2 .

It is not a de Polignac number, because 53252501605 - 2¹⁵ = 53252468837 is a prime.

It is a Duffinian 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, 5325250156 + ... + 5325250165.

It is an arithmetic number, because the mean of its divisors is an integer number (15975750483).

Almost surely, 2^53252501605 is an apocalyptic number.

It is an amenable number.

53252501605 is a deficient number, since it is larger than the sum of its proper divisors (10650500327).

53252501605 is a wasteful number, since it uses less digits than its factorization.

53252501605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650500326.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 53252501605 in words is "fifty-three billion, two hundred fifty-two million, five hundred one thousand, six hundred five".