53678407085 has 36 divisors (see below), whose sum is σ = 66653835444. Its totient is φ = 41491802880.

The previous prime is 53678407073. The next prime is 53678407087. The reversal of 53678407085 is 58070487635.

It can be written as a sum of positive squares in 6 ways, for example, as 23192548681 + 30485858404 = 152291^2 + 174602^2 .

It is not a de Polignac number, because 53678407085 - 2³⁰ = 52604665261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53678407087) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 296565695 + ... + 296565875.

It is an arithmetic number, because the mean of its divisors is an integer number (1851495429).

Almost surely, 2^53678407085 is an apocalyptic number.

It is an amenable number.

53678407085 is a deficient number, since it is larger than the sum of its proper divisors (12975428359).

53678407085 is an frugal number, since it uses more digits than its factorization.

53678407085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 53678407085 in words is "fifty-three billion, six hundred seventy-eight million, four hundred seven thousand, eighty-five".