55781483874 has 16 divisors (see below), whose sum is σ = 112414595040. Its totient is φ = 18451890080.

The previous prime is 55781483851. The next prime is 55781483881. The reversal of 55781483874 is 47838418755.

It is a super-4 number, since 4×55781483874⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35483619 + ... + 35485190.

It is an arithmetic number, because the mean of its divisors is an integer number (7025912190).

Almost surely, 2^55781483874 is an apocalyptic number.

55781483874 is an abundant number, since it is smaller than the sum of its proper divisors (56633111166).

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

55781483874 is a wasteful number, since it uses less digits than its factorization.

55781483874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70968945.

The product of its digits is 30105600, while the sum is 60.

The spelling of 55781483874 in words is "fifty-five billion, seven hundred eighty-one million, four hundred eighty-three thousand, eight hundred seventy-four".