503945753922 has 162 divisors, whose sum is σ = 1207758389643. Its totient is φ = 151795425600.

The previous prime is 503945753917. The next prime is 503945753923. The reversal of 503945753922 is 229357549305.

503945753922 is a `hidden beast` number, since 5 + 0 + 39 + 4 + 57 + 539 + 22 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 21753005121 + 482192748801 = 147489^2 + 694401^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=501969.

It is a super-2 number, since 2×503945753922² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503945753923) 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 80 ways as a sum of consecutive naturals, for example, 2388368397 + ... + 2388368607.

Almost surely, 2^503945753922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503945753922

503945753922 is an abundant number, since it is smaller than the sum of its proper divisors (703812635721).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503945753922 is a wasteful number, since it uses less digits than its factorization.

503945753922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 54.

It can be divided in two parts, 5039 and 45753922, that added together give a triangular number (45758961 = T₉₅₆₆).

The spelling of 503945753922 in words is "five hundred three billion, nine hundred forty-five million, seven hundred fifty-three thousand, nine hundred twenty-two".