54501552666 has 24 divisors (see below), whose sum is σ = 128821852224. Its totient is φ = 16515621960.

The previous prime is 54501552661. The next prime is 54501552689. The reversal of 54501552666 is 66625510545.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (54501552661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137629986 + ... + 137630381.

It is an arithmetic number, because the mean of its divisors is an integer number (5367577176).

Almost surely, 2^54501552666 is an apocalyptic number.

54501552666 is an abundant number, since it is smaller than the sum of its proper divisors (74320299558).

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

54501552666 is a wasteful number, since it uses less digits than its factorization.

54501552666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275260386 (or 275260383 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 54501552666 in words is "fifty-four billion, five hundred one million, five hundred fifty-two thousand, six hundred sixty-six".