54561046216366 has 4 divisors (see below), whose sum is σ = 81841569324552. Its totient is φ = 27280523108182.

The previous prime is 54561046216319. The next prime is 54561046216373. The reversal of 54561046216366 is 66361264016545.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13640261554090 + ... + 13640261554093.

It is an arithmetic number, because the mean of its divisors is an integer number (20460392331138).

Almost surely, 2^{54561046216366} is an apocalyptic number.

54561046216366 is a deficient number, since it is larger than the sum of its proper divisors (27280523108186).

54561046216366 is a wasteful number, since it uses less digits than its factorization.

54561046216366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27280523108185.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 54561046216366 in words is "fifty-four trillion, five hundred sixty-one billion, forty-six million, two hundred sixteen thousand, three hundred sixty-six".