52643501546 has 16 divisors (see below), whose sum is σ = 79435196640. Its totient is φ = 26165209680.

The previous prime is 52643501509. The next prime is 52643501551. The reversal of 52643501546 is 64510534625.

It is a happy number.

It is a Curzon 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, 1019081 + ... + 1069491.

It is an arithmetic number, because the mean of its divisors is an integer number (4964699790).

Almost surely, 2^52643501546 is an apocalyptic number.

52643501546 is a deficient number, since it is larger than the sum of its proper divisors (26791695094).

52643501546 is a wasteful number, since it uses less digits than its factorization.

52643501546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53509.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 52643501546 in words is "fifty-two billion, six hundred forty-three million, five hundred one thousand, five hundred forty-six".