53405250434 has 16 divisors (see below), whose sum is σ = 83450653440. Its totient is φ = 25604171280.

The previous prime is 53405250433. The next prime is 53405250443. The reversal of 53405250434 is 43405250435.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53405250394 and 53405250403.

It is not an unprimeable number, because it can be changed into a prime (53405250433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3944504 + ... + 3958019.

It is an arithmetic number, because the mean of its divisors is an integer number (5215665840).

Almost surely, 2^53405250434 is an apocalyptic number.

53405250434 is a deficient number, since it is larger than the sum of its proper divisors (30045403006).

53405250434 is a wasteful number, since it uses less digits than its factorization.

53405250434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902665.

The product of its (nonzero) digits is 144000, while the sum is 35.

Subtracting from 53405250434 its reverse (43405250435), we obtain a palindrome (9999999999).

The spelling of 53405250434 in words is "fifty-three billion, four hundred five million, two hundred fifty thousand, four hundred thirty-four".