55077756845 has 8 divisors (see below), whose sum is σ = 66568800480. Its totient is φ = 43745210640.

The previous prime is 55077756821. The next prime is 55077756859. The reversal of 55077756845 is 54865777055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55077756845 - 2⁶ = 55077756781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39623591 + ... + 39624980.

It is an arithmetic number, because the mean of its divisors is an integer number (8321100060).

Almost surely, 2^55077756845 is an apocalyptic number.

It is an amenable number.

55077756845 is a deficient number, since it is larger than the sum of its proper divisors (11491043635).

55077756845 is a wasteful number, since it uses less digits than its factorization.

55077756845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79248715.

The product of its (nonzero) digits is 41160000, while the sum is 59.

The spelling of 55077756845 in words is "fifty-five billion, seventy-seven million, seven hundred fifty-six thousand, eight hundred forty-five".