55388706982 has 8 divisors (see below), whose sum is σ = 94952069136. Its totient is φ = 23738017272.

The previous prime is 55388706959. The next prime is 55388706991. The reversal of 55388706982 is 28960788355.

55388706982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×55388706982² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55388706982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978168093 + ... + 1978168120.

It is an arithmetic number, because the mean of its divisors is an integer number (11869008642).

Almost surely, 2^55388706982 is an apocalyptic number.

55388706982 is a deficient number, since it is larger than the sum of its proper divisors (39563362154).

55388706982 is a wasteful number, since it uses less digits than its factorization.

55388706982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956336222.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 55388706982 in words is "fifty-five billion, three hundred eighty-eight million, seven hundred six thousand, nine hundred eighty-two".