56028138484418 has 4 divisors (see below), whose sum is σ = 84042207726630. Its totient is φ = 28014069242208.

The previous prime is 56028138484363. The next prime is 56028138484421. The reversal of 56028138484418 is 81448483182065.

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

It can be written as a sum of positive squares in only one way, i.e., 54687607541449 + 1340530942969 = 7395107^2 + 1157813^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14007034621103 + ... + 14007034621106.

Almost surely, 2^{56028138484418} is an apocalyptic number.

56028138484418 is a deficient number, since it is larger than the sum of its proper divisors (28014069242212).

56028138484418 is a wasteful number, since it uses less digits than its factorization.

56028138484418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28014069242211.

The product of its (nonzero) digits is 47185920, while the sum is 62.

The spelling of 56028138484418 in words is "fifty-six trillion, twenty-eight billion, one hundred thirty-eight million, four hundred eighty-four thousand, four hundred eighteen".