501050055 has 64 divisors (see below), whose sum is σ = 942243840. Its totient is φ = 224822400.

The previous prime is 501050047. The next prime is 501050059. The reversal of 501050055 is 550050105.

It is not a de Polignac number, because 501050055 - 2³ = 501050047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501050059) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 115516 + ... + 119774.

It is an arithmetic number, because the mean of its divisors is an integer number (14722560).

Almost surely, 2^501050055 is an apocalyptic number.

501050055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

501050055 is a deficient number, since it is larger than the sum of its proper divisors (441193785).

501050055 is a wasteful number, since it uses less digits than its factorization.

501050055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 501050055 is about 22384.1474039107. The cubic root of 501050055 is about 794.2557569538.

Subtracting 501050055 from its reverse (550050105), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 501050055 in words is "five hundred one million, fifty thousand, fifty-five".