53142439805 has 16 divisors (see below), whose sum is σ = 78487296384. Its totient is φ = 33637412160.

The previous prime is 53142439793. The next prime is 53142439837. The reversal of 53142439805 is 50893424135.

It is not a de Polignac number, because 53142439805 - 2⁴ = 53142439789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58397831 + ... + 58398740.

It is an arithmetic number, because the mean of its divisors is an integer number (4905456024).

Almost surely, 2^53142439805 is an apocalyptic number.

It is an amenable number.

53142439805 is a deficient number, since it is larger than the sum of its proper divisors (25344856579).

53142439805 is a wasteful number, since it uses less digits than its factorization.

53142439805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116796596.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 53142439805 in words is "fifty-three billion, one hundred forty-two million, four hundred thirty-nine thousand, eight hundred five".