501056055 has 24 divisors (see below), whose sum is σ = 898447680. Its totient is φ = 258014400.

The previous prime is 501056009. The next prime is 501056057. The reversal of 501056055 is 550650105.

501056055 is a `hidden beast` number, since 50 + 1 + 0 + 5 + 605 + 5 = 666.

It is not a de Polignac number, because 501056055 - 2⁹ = 501055543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501056057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190671 + ... + 193280.

It is an arithmetic number, because the mean of its divisors is an integer number (37435320).

Almost surely, 2^501056055 is an apocalyptic number.

501056055 is a deficient number, since it is larger than the sum of its proper divisors (397391625).

501056055 is a wasteful number, since it uses less digits than its factorization.

501056055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383991 (or 383988 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 501056055 is about 22384.2814269299. The cubic root of 501056055 is about 794.2589273061.

The spelling of 501056055 in words is "five hundred one million, fifty-six thousand, fifty-five".