56537954358698 has 4 divisors (see below), whose sum is σ = 84806931538050. Its totient is φ = 28268977179348.

The previous prime is 56537954358671. The next prime is 56537954358701. The reversal of 56537954358698 is 89685345973565.

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., 28300559309929 + 28237395048769 = 5319827^2 + 5313887^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14134488589673 + ... + 14134488589676.

Almost surely, 2^{56537954358698} is an apocalyptic number.

56537954358698 is a deficient number, since it is larger than the sum of its proper divisors (28268977179352).

56537954358698 is a wasteful number, since it uses less digits than its factorization.

56537954358698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28268977179351.

The product of its digits is 29393280000, while the sum is 83.

The spelling of 56537954358698 in words is "fifty-six trillion, five hundred thirty-seven billion, nine hundred fifty-four million, three hundred fifty-eight thousand, six hundred ninety-eight".