54678422487554 has 8 divisors (see below), whose sum is σ = 82025370545868. Its totient is φ = 27336632305600.

The previous prime is 54678422487553. The next prime is 54678422487659. The reversal of 54678422487554 is 45578422487645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54529762118329 + 148660369225 = 7384427^2 + 385565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (54678422487553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289442587 + ... + 1289484990.

Almost surely, 2^{54678422487554} is an apocalyptic number.

54678422487554 is a deficient number, since it is larger than the sum of its proper divisors (27346948058314).

54678422487554 is a wasteful number, since it uses less digits than its factorization.

54678422487554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578938180.

The product of its digits is 2408448000, while the sum is 71.

Subtracting from 54678422487554 its reverse (45578422487645), we obtain a palindrome (9099999999909).

The spelling of 54678422487554 in words is "fifty-four trillion, six hundred seventy-eight billion, four hundred twenty-two million, four hundred eighty-seven thousand, five hundred fifty-four".