54806132665 has 4 divisors (see below), whose sum is σ = 65767359204. Its totient is φ = 43844906128.

The previous prime is 54806132603. The next prime is 54806132683. The reversal of 54806132665 is 56623160845.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39812619961 + 14993512704 = 199531^2 + 122448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54806132665 is a prime.

It is a Duffinian number.

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, 5480613262 + ... + 5480613271.

It is an arithmetic number, because the mean of its divisors is an integer number (16441839801).

Almost surely, 2^54806132665 is an apocalyptic number.

It is an amenable number.

54806132665 is a deficient number, since it is larger than the sum of its proper divisors (10961226539).

54806132665 is a wasteful number, since it uses less digits than its factorization.

54806132665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961226538.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 54806132665 in words is "fifty-four billion, eight hundred six million, one hundred thirty-two thousand, six hundred sixty-five".