55463920266 has 16 divisors (see below), whose sum is σ = 110961062784. Its totient is φ = 18482436384.

The previous prime is 55463920139. The next prime is 55463920277. The reversal of 55463920266 is 66202936455.

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, 1362531 + ... + 1402646.

It is an arithmetic number, because the mean of its divisors is an integer number (6935066424).

Almost surely, 2^55463920266 is an apocalyptic number.

55463920266 is an abundant number, since it is smaller than the sum of its proper divisors (55497142518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55463920266 is a wasteful number, since it uses less digits than its factorization.

55463920266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768525.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 55463920266 in words is "fifty-five billion, four hundred sixty-three million, nine hundred twenty thousand, two hundred sixty-six".