54862557387678 has 32 divisors (see below), whose sum is σ = 121917354988320. Its totient is φ = 18287435010240.

The previous prime is 54862557387653. The next prime is 54862557387709. The reversal of 54862557387678 is 87678375526845.

54862557387678 is a `hidden beast` number, since 5 + 486 + 2 + 5 + 5 + 73 + 8 + 7 + 67 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 54862557387597 and 54862557387606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10121026 + ... + 14565722.

It is an arithmetic number, because the mean of its divisors is an integer number (3809917343385).

Almost surely, 2^{54862557387678} is an apocalyptic number.

54862557387678 is an abundant number, since it is smaller than the sum of its proper divisors (67054797600642).

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

54862557387678 is a wasteful number, since it uses less digits than its factorization.

54862557387678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673289 (or 4673283 counting only the distinct ones).

The product of its digits is 18966528000, while the sum is 81.

The spelling of 54862557387678 in words is "fifty-four trillion, eight hundred sixty-two billion, five hundred fifty-seven million, three hundred eighty-seven thousand, six hundred seventy-eight".