54177727540 has 12 divisors (see below), whose sum is σ = 113773227876. Its totient is φ = 21671091008.

The previous prime is 54177727477. The next prime is 54177727547. The reversal of 54177727540 is 4572777145.

It can be written as a sum of positive squares in 2 ways, for example, as 5540718096 + 48637009444 = 74436^2 + 220538^2 .

It is a super-2 number, since 2×54177727540² (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 (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, 1354443169 + ... + 1354443208.

It is an arithmetic number, because the mean of its divisors is an integer number (9481102323).

Almost surely, 2^54177727540 is an apocalyptic number.

It is an amenable number.

54177727540 is an abundant number, since it is smaller than the sum of its proper divisors (59595500336).

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

54177727540 is a wasteful number, since it uses less digits than its factorization.

54177727540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708886386 (or 2708886384 counting only the distinct ones).

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 54177727540 in words is "fifty-four billion, one hundred seventy-seven million, seven hundred twenty-seven thousand, five hundred forty".