55976720835 has 64 divisors (see below), whose sum is σ = 103990284288. Its totient is φ = 25182710784.

The previous prime is 55976720803. The next prime is 55976720851. The reversal of 55976720835 is 53802767955.

It is a happy number.

55976720835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 236594²-1.

It is not a de Polignac number, because 55976720835 - 2⁵ = 55976720803 is a prime.

It is a super-3 number, since 3×55976720835³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3541009 + ... + 3556781.

It is an arithmetic number, because the mean of its divisors is an integer number (1624848192).

Almost surely, 2^55976720835 is an apocalyptic number.

55976720835 is a deficient number, since it is larger than the sum of its proper divisors (48013563453).

55976720835 is a wasteful number, since it uses less digits than its factorization.

55976720835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16324.

The product of its (nonzero) digits is 15876000, while the sum is 57.

The spelling of 55976720835 in words is "fifty-five billion, nine hundred seventy-six million, seven hundred twenty thousand, eight hundred thirty-five".