54778543119 has 6 divisors (see below), whose sum is σ = 79124562296. Its totient is φ = 36519028740.

The previous prime is 54778543117. The next prime is 54778543129. The reversal of 54778543119 is 91134587745.

54778543119 is a `hidden beast` number, since 5 + 477 + 8 + 54 + 3 + 119 = 666.

It is not a de Polignac number, because 54778543119 - 2¹ = 54778543117 is a prime.

It is a super-2 number, since 2×54778543119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54778543117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3043252387 + ... + 3043252404.

Almost surely, 2^54778543119 is an apocalyptic number.

54778543119 is a deficient number, since it is larger than the sum of its proper divisors (24346019177).

54778543119 is a wasteful number, since it uses less digits than its factorization.

54778543119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086504797 (or 6086504794 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 54778543119 in words is "fifty-four billion, seven hundred seventy-eight million, five hundred forty-three thousand, one hundred nineteen".