501010055 has 24 divisors (see below), whose sum is σ = 753171552. Its totient is φ = 317120832.

The previous prime is 501010049. The next prime is 501010063. The reversal of 501010055 is 550010105.

It is not a de Polignac number, because 501010055 - 2⁴ = 501010039 is a prime.

It is a super-2 number, since 2×501010055² = 502022150422206050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75467 + ... + 81836.

It is an arithmetic number, because the mean of its divisors is an integer number (31382148).

Almost surely, 2^501010055 is an apocalyptic number.

501010055 is a deficient number, since it is larger than the sum of its proper divisors (252161497).

501010055 is a wasteful number, since it uses less digits than its factorization.

501010055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157335 (or 157328 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 501010055 is about 22383.2538966076. The cubic root of 501010055 is about 794.2346206253.

Subtracting 501010055 from its reverse (550010105), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 501010055 in words is "five hundred one million, ten thousand, fifty-five".