501201055 has 32 divisors (see below), whose sum is σ = 664381440. Its totient is φ = 361267200.

The previous prime is 501201053. The next prime is 501201059. The reversal of 501201055 is 550102105.

It is not a de Polignac number, because 501201055 - 2¹ = 501201053 is a prime.

It is a super-2 number, since 2×501201055² = 502404995066226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501201053) 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, 312255 + ... + 313855.

It is an arithmetic number, because the mean of its divisors is an integer number (20761920).

Almost surely, 2^501201055 is an apocalyptic number.

501201055 is a deficient number, since it is larger than the sum of its proper divisors (163180385).

501201055 is a wasteful number, since it uses less digits than its factorization.

501201055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 501201055 is about 22387.5200725761. The cubic root of 501201055 is about 794.3355364570.

The spelling of 501201055 in words is "five hundred one million, two hundred one thousand, fifty-five".