55977370824959 has 4 divisors (see below), whose sum is σ = 55978997966616. Its totient is φ = 55975743683304.

The previous prime is 55977370824953. The next prime is 55977370825001. The reversal of 55977370824959 is 95942807377955.

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

It is a cyclic number.

It is not a de Polignac number, because 55977370824959 - 2⁸ = 55977370824703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55977370824953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813519224 + ... + 813588029.

It is an arithmetic number, because the mean of its divisors is an integer number (13994749491654).

Almost surely, 2^{55977370824959} is an apocalyptic number.

55977370824959 is a deficient number, since it is larger than the sum of its proper divisors (1627141657).

55977370824959 is a wasteful number, since it uses less digits than its factorization.

55977370824959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627141656.

The product of its (nonzero) digits is 6001128000, while the sum is 80.

The spelling of 55977370824959 in words is "fifty-five trillion, nine hundred seventy-seven billion, three hundred seventy million, eight hundred twenty-four thousand, nine hundred fifty-nine".