55280413538738 has 4 divisors (see below), whose sum is σ = 82920620308110. Its totient is φ = 27640206769368.

The previous prime is 55280413538719. The next prime is 55280413538767. The reversal of 55280413538738 is 83783531408255.

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., 39842013074809 + 15438400463929 = 6312053^2 + 3929173^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13820103384683 + ... + 13820103384686.

Almost surely, 2^{55280413538738} is an apocalyptic number.

55280413538738 is a deficient number, since it is larger than the sum of its proper divisors (27640206769372).

55280413538738 is a wasteful number, since it uses less digits than its factorization.

55280413538738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27640206769371.

The product of its (nonzero) digits is 96768000, while the sum is 62.

The spelling of 55280413538738 in words is "fifty-five trillion, two hundred eighty billion, four hundred thirteen million, five hundred thirty-eight thousand, seven hundred thirty-eight".