55556936774 has 8 divisors (see below), whose sum is σ = 83971553688. Its totient is φ = 27566418880.

The previous prime is 55556936761. The next prime is 55556936783. The reversal of 55556936774 is 47763965555.

It is a happy number.

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

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, 106024427 + ... + 106024950.

It is an arithmetic number, because the mean of its divisors is an integer number (10496444211).

Almost surely, 2^55556936774 is an apocalyptic number.

55556936774 is a deficient number, since it is larger than the sum of its proper divisors (28414616914).

55556936774 is a wasteful number, since it uses less digits than its factorization.

55556936774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212049510.

The product of its digits is 119070000, while the sum is 62.

The spelling of 55556936774 in words is "fifty-five billion, five hundred fifty-six million, nine hundred thirty-six thousand, seven hundred seventy-four".