54154533178 has 4 divisors (see below), whose sum is σ = 81231799770. Its totient is φ = 27077266588.

The previous prime is 54154533163. The next prime is 54154533187. The reversal of 54154533178 is 87133545145.

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

It can be written as a sum of positive squares in only one way, i.e., 51568505569 + 2586027609 = 227087^2 + 50853^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13538633293 + ... + 13538633296.

Almost surely, 2^54154533178 is an apocalyptic number.

54154533178 is a deficient number, since it is larger than the sum of its proper divisors (27077266592).

54154533178 is a wasteful number, since it uses less digits than its factorization.

54154533178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27077266591.

The product of its digits is 1008000, while the sum is 46.

The spelling of 54154533178 in words is "fifty-four billion, one hundred fifty-four million, five hundred thirty-three thousand, one hundred seventy-eight".