53430250505 has 4 divisors (see below), whose sum is σ = 64116300612. Its totient is φ = 42744200400.

The previous prime is 53430250501. The next prime is 53430250529. The reversal of 53430250505 is 50505203435.

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 16922887744 + 36507362761 = 130088^2 + 191069^2 .

It is not a de Polignac number, because 53430250505 - 2² = 53430250501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53430250501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5343025046 + ... + 5343025055.

It is an arithmetic number, because the mean of its divisors is an integer number (16029075153).

Almost surely, 2^53430250505 is an apocalyptic number.

It is an amenable number.

53430250505 is a deficient number, since it is larger than the sum of its proper divisors (10686050107).

53430250505 is a wasteful number, since it uses less digits than its factorization.

53430250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686050106.

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 53430250505 in words is "fifty-three billion, four hundred thirty million, two hundred fifty thousand, five hundred five".