52505280280505 has 16 divisors (see below), whose sum is σ = 67858206588480. Its totient is φ = 38770142056128.

The previous prime is 52505280280499. The next prime is 52505280280517. The reversal of 52505280280505 is 50508208250525.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52505280280505 is a prime.

It is a super-2 number, since 2×52505280280505² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52505280280505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30274847 + ... + 31962116.

It is an arithmetic number, because the mean of its divisors is an integer number (4241137911780).

Almost surely, 2^{52505280280505} is an apocalyptic number.

It is an amenable number.

52505280280505 is a deficient number, since it is larger than the sum of its proper divisors (15352926307975).

52505280280505 is a wasteful number, since it uses less digits than its factorization.

52505280280505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62249960.

The product of its (nonzero) digits is 1600000, while the sum is 47.

The spelling of 52505280280505 in words is "fifty-two trillion, five hundred five billion, two hundred eighty million, two hundred eighty thousand, five hundred five".