54177727507 has 4 divisors (see below), whose sum is σ = 54182691160. Its totient is φ = 54172763856.

The previous prime is 54177727477. The next prime is 54177727547. The reversal of 54177727507 is 70572777145.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54177727507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54177727547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465418 + ... + 2487295.

It is an arithmetic number, because the mean of its divisors is an integer number (13545672790).

Almost surely, 2^54177727507 is an apocalyptic number.

54177727507 is a deficient number, since it is larger than the sum of its proper divisors (4963653).

54177727507 is a wasteful number, since it uses less digits than its factorization.

54177727507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963652.

The product of its (nonzero) digits is 3361400, while the sum is 52.

The spelling of 54177727507 in words is "fifty-four billion, one hundred seventy-seven million, seven hundred twenty-seven thousand, five hundred seven".