55976720836 has 9 divisors (see below), whose sum is σ = 97960089549. Its totient is φ = 27988123824.

The previous prime is 55976720803. The next prime is 55976720851. The reversal of 55976720836 is 63802767955.

The square root of 55976720836 is 236594.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1288092100 + 54688628736 = 35890^2 + 233856^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 414040 + ... + 532336.

Almost surely, 2^55976720836 is an apocalyptic number.

55976720836 is the 236594-th square number.

It is an amenable number.

55976720836 is a deficient number, since it is larger than the sum of its proper divisors (41983368713).

55976720836 is an frugal number, since it uses more digits than its factorization.

55976720836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236598 (or 118299 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 55976720836 in words is "fifty-five billion, nine hundred seventy-six million, seven hundred twenty thousand, eight hundred thirty-six".