55463042566 has 8 divisors (see below), whose sum is σ = 84558409344. Its totient is φ = 27276906120.

The previous prime is 55463042563. The next prime is 55463042603. The reversal of 55463042566 is 66524036455.

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

It is a super-2 number, since 2×55463042566² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55463042563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227307430 + ... + 227307673.

It is an arithmetic number, because the mean of its divisors is an integer number (10569801168).

Almost surely, 2^55463042566 is an apocalyptic number.

55463042566 is a deficient number, since it is larger than the sum of its proper divisors (29095366778).

55463042566 is a wasteful number, since it uses less digits than its factorization.

55463042566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454615166.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 55463042566 in words is "fifty-five billion, four hundred sixty-three million, forty-two thousand, five hundred sixty-six".