54519978488 has 32 divisors (see below), whose sum is σ = 109429056000. Its totient is φ = 25387532640.

The previous prime is 54519978449. The next prime is 54519978523. The reversal of 54519978488 is 88487991545.

It is a super-2 number, since 2×54519978488² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030728 + ... + 3048663.

It is an arithmetic number, because the mean of its divisors is an integer number (3419658000).

Almost surely, 2^54519978488 is an apocalyptic number.

It is an amenable number.

54519978488 is an abundant number, since it is smaller than the sum of its proper divisors (54909077512).

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

54519978488 is a wasteful number, since it uses less digits than its factorization.

54519978488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079475 (or 6079471 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 68.

The spelling of 54519978488 in words is "fifty-four billion, five hundred nineteen million, nine hundred seventy-eight thousand, four hundred eighty-eight".