501140055 has 32 divisors (see below), whose sum is σ = 874460160. Its totient is φ = 243584640.

The previous prime is 501140009. The next prime is 501140063. The reversal of 501140055 is 550041105.

It is not a de Polignac number, because 501140055 - 2⁸ = 501139799 is a prime.

It is a super-2 number, since 2×501140055² = 502282709450806050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861 + ... + 31670.

It is an arithmetic number, because the mean of its divisors is an integer number (27326880).

Almost surely, 2^501140055 is an apocalyptic number.

501140055 is a deficient number, since it is larger than the sum of its proper divisors (373320105).

501140055 is a wasteful number, since it uses less digits than its factorization.

501140055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32631.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 501140055 is about 22386.1576649500. The cubic root of 501140055 is about 794.3033095804.

The spelling of 501140055 in words is "five hundred one million, one hundred forty thousand, fifty-five".