5665520052 has 30 divisors (see below), whose sum is σ = 14810789378. Its totient is φ = 1888506576.

The previous prime is 5665519969. The next prime is 5665520053. The reversal of 5665520052 is 2500255665.

5665520052 is a `hidden beast` number, since 56 + 6 + 552 + 0 + 0 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4101633936 + 1563886116 = 64044^2 + 39546^2 .

It is a super-2 number, since 2×5665520052² = 64196234919228165408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5665519989 and 5665520016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665520053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8742763 + ... + 8743410.

Almost surely, 2^5665520052 is an apocalyptic number.

It is an amenable number.

5665520052 is an abundant number, since it is smaller than the sum of its proper divisors (9145269326).

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

5665520052 is a wasteful number, since it uses less digits than its factorization.

5665520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486189 (or 17486178 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 5665520052 is about 75269.6489429837. The cubic root of 5665520052 is about 1782.7068243206.

The spelling of 5665520052 in words is "five billion, six hundred sixty-five million, five hundred twenty thousand, fifty-two".