53685639542 has 16 divisors (see below), whose sum is σ = 80795882160. Its totient is φ = 26753799072.

The previous prime is 53685639499. The next prime is 53685639569. The reversal of 53685639542 is 24593658635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886628 + ... + 945240.

It is an arithmetic number, because the mean of its divisors is an integer number (5049742635).

Almost surely, 2^53685639542 is an apocalyptic number.

53685639542 is a deficient number, since it is larger than the sum of its proper divisors (27110242618).

53685639542 is a wasteful number, since it uses less digits than its factorization.

53685639542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60127.

The product of its digits is 23328000, while the sum is 56.

The spelling of 53685639542 in words is "fifty-three billion, six hundred eighty-five million, six hundred thirty-nine thousand, five hundred forty-two".