52550511400505 has 16 divisors (see below), whose sum is σ = 63997348011024. Its totient is φ = 41417232906240.

The previous prime is 52550511400501. The next prime is 52550511400657. The reversal of 52550511400505 is 50500411505525.

It can be written as a sum of positive squares in 8 ways, for example, as 103831528441 + 52446679872064 = 322229^2 + 7242008^2 .

It is not a de Polignac number, because 52550511400505 - 2² = 52550511400501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52550511400501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81763136 + ... + 82403345.

It is an arithmetic number, because the mean of its divisors is an integer number (3999834250689).

Almost surely, 2^{52550511400505} is an apocalyptic number.

It is an amenable number.

52550511400505 is a deficient number, since it is larger than the sum of its proper divisors (11446836610519).

52550511400505 is a wasteful number, since it uses less digits than its factorization.

52550511400505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164167436.

The product of its (nonzero) digits is 125000, while the sum is 38.

The spelling of 52550511400505 in words is "fifty-two trillion, five hundred fifty billion, five hundred eleven million, four hundred thousand, five hundred five".