54842987856 has 40 divisors (see below), whose sum is σ = 142628594400. Its totient is φ = 18158302336.

The previous prime is 54842987851. The next prime is 54842987861. The reversal of 54842987856 is 65878924845.

It is an interprime number because it is at equal distance from previous prime (54842987851) and next prime (54842987861).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54842987851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3826950 + ... + 3841253.

It is an arithmetic number, because the mean of its divisors is an integer number (3565714860).

Almost surely, 2^54842987856 is an apocalyptic number.

It is an amenable number.

54842987856 is an abundant number, since it is smaller than the sum of its proper divisors (87785606544).

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

54842987856 is a wasteful number, since it uses less digits than its factorization.

54842987856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668363 (or 7668357 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 66.

The spelling of 54842987856 in words is "fifty-four billion, eight hundred forty-two million, nine hundred eighty-seven thousand, eight hundred fifty-six".