55775450457255 has 16 divisors (see below), whose sum is σ = 89240978242944. Its totient is φ = 29746821073440.

The previous prime is 55775450457241. The next prime is 55775450457263. The reversal of 55775450457255 is 55275405457755.

It is not a de Polignac number, because 55775450457255 - 2¹⁹ = 55775449932967 is a prime.

It is a super-3 number, since 3×55775450457255³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192412 + ... + 10563518.

It is an arithmetic number, because the mean of its divisors is an integer number (5577561140184).

Almost surely, 2^{55775450457255} is an apocalyptic number.

55775450457255 is a deficient number, since it is larger than the sum of its proper divisors (33465527785689).

55775450457255 is a wasteful number, since it uses less digits than its factorization.

55775450457255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10729646.

The product of its (nonzero) digits is 857500000, while the sum is 66.

The spelling of 55775450457255 in words is "fifty-five trillion, seven hundred seventy-five billion, four hundred fifty million, four hundred fifty-seven thousand, two hundred fifty-five".