55845678982 has 4 divisors (see below), whose sum is σ = 83768518476. Its totient is φ = 27922839490.

The previous prime is 55845678979. The next prime is 55845679007. The reversal of 55845678982 is 28987654855.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13961419744 + ... + 13961419747.

It is an arithmetic number, because the mean of its divisors is an integer number (20942129619).

Almost surely, 2^55845678982 is an apocalyptic number.

55845678982 is a deficient number, since it is larger than the sum of its proper divisors (27922839494).

55845678982 is a wasteful number, since it uses less digits than its factorization.

55845678982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27922839493.

The product of its digits is 193536000, while the sum is 67.

The spelling of 55845678982 in words is "fifty-five billion, eight hundred forty-five million, six hundred seventy-eight thousand, nine hundred eighty-two".