54216563640634 has 8 divisors (see below), whose sum is σ = 82114407067680. Its totient is φ = 26845094618076.

The previous prime is 54216563640583. The next prime is 54216563640643. The reversal of 54216563640634 is 43604636561245.

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

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, 131593600864 + ... + 131593601275.

It is an arithmetic number, because the mean of its divisors is an integer number (10264300883460).

Almost surely, 2^{54216563640634} is an apocalyptic number.

54216563640634 is a deficient number, since it is larger than the sum of its proper divisors (27897843427046).

54216563640634 is a wasteful number, since it uses less digits than its factorization.

54216563640634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263187202244.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 54216563640634 in words is "fifty-four trillion, two hundred sixteen billion, five hundred sixty-three million, six hundred forty thousand, six hundred thirty-four".