55375621073211 has 32 divisors (see below), whose sum is σ = 74691335347200. Its totient is φ = 36490786675200.

The previous prime is 55375621073207. The next prime is 55375621073239. The reversal of 55375621073211 is 11237012657355.

It is not a de Polignac number, because 55375621073211 - 2² = 55375621073207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55375621073281) 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, 431166441 + ... + 431294853.

It is an arithmetic number, because the mean of its divisors is an integer number (2334104229600).

Almost surely, 2^{55375621073211} is an apocalyptic number.

55375621073211 is a deficient number, since it is larger than the sum of its proper divisors (19315714273989).

55375621073211 is a wasteful number, since it uses less digits than its factorization.

55375621073211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132867.

The product of its (nonzero) digits is 1323000, while the sum is 48.

The spelling of 55375621073211 in words is "fifty-five trillion, three hundred seventy-five billion, six hundred twenty-one million, seventy-three thousand, two hundred eleven".