53424463432505 has 32 divisors (see below), whose sum is σ = 72980526769920. Its totient is φ = 37163679252480.

The previous prime is 53424463432471. The next prime is 53424463432513. The reversal of 53424463432505 is 50523436442435.

It is not a de Polignac number, because 53424463432505 - 2¹⁸ = 53424463170361 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40736441 + ... + 42027449.

It is an arithmetic number, because the mean of its divisors is an integer number (2280641461560).

Almost surely, 2^{53424463432505} is an apocalyptic number.

53424463432505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53424463432505 is a deficient number, since it is larger than the sum of its proper divisors (19556063337415).

53424463432505 is a wasteful number, since it uses less digits than its factorization.

53424463432505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323761.

The product of its (nonzero) digits is 20736000, while the sum is 50.

The spelling of 53424463432505 in words is "fifty-three trillion, four hundred twenty-four billion, four hundred sixty-three million, four hundred thirty-two thousand, five hundred five".