53640067534 has 8 divisors (see below), whose sum is σ = 80516648160. Its totient is φ = 26801184816.

The previous prime is 53640067501. The next prime is 53640067583. The reversal of 53640067534 is 43576004635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9420919 + ... + 9426610.

It is an arithmetic number, because the mean of its divisors is an integer number (10064581020).

Almost surely, 2^53640067534 is an apocalyptic number.

53640067534 is a deficient number, since it is larger than the sum of its proper divisors (26876580626).

53640067534 is a wasteful number, since it uses less digits than its factorization.

53640067534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18848954.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 53640067534 in words is "fifty-three billion, six hundred forty million, sixty-seven thousand, five hundred thirty-four".