501055 has 8 divisors (see below), whose sum is σ = 627552. Its totient is φ = 383328.

The previous prime is 501043. The next prime is 501077. The reversal of 501055 is 550105.

501055 = T₁₂₄ + T₁₂₅ + ... + T₁₆₉.

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

It is a cyclic number.

It is not a de Polignac number, because 501055 - 2¹⁷ = 369983 is a prime.

It is a super-2 number, since 2×501055² = 502112226050, which contains 22 as substring.

It is a Duffinian number.

501055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (78444).

2⁵⁰¹⁰⁵⁵ is an apocalyptic number.

501055 is a deficient number, since it is larger than the sum of its proper divisors (126497).

501055 is a wasteful number, since it uses less digits than its factorization.

501055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 501055 is about 707.8523857415. The cubic root of 501055 is about 79.4258369854.

The spelling of 501055 in words is "five hundred one thousand, fifty-five".