55277750558506 has 64 divisors (see below), whose sum is σ = 98364125325312. Its totient is φ = 22803779653632.

The previous prime is 55277750558501. The next prime is 55277750558593. The reversal of 55277750558506 is 60585505777255.

It is not an unprimeable number, because it can be changed into a prime (55277750558501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131283591 + ... + 131703973.

It is an arithmetic number, because the mean of its divisors is an integer number (1536939458208).

Almost surely, 2^{55277750558506} is an apocalyptic number.

55277750558506 is a deficient number, since it is larger than the sum of its proper divisors (43086374766806).

55277750558506 is a wasteful number, since it uses less digits than its factorization.

55277750558506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423143.

The product of its (nonzero) digits is 514500000, while the sum is 67.

The spelling of 55277750558506 in words is "fifty-five trillion, two hundred seventy-seven billion, seven hundred fifty million, five hundred fifty-eight thousand, five hundred six".