52790251645 has 16 divisors (see below), whose sum is σ = 66168984960. Its totient is φ = 40380024384.

The previous prime is 52790251627. The next prime is 52790251687. The reversal of 52790251645 is 54615209725.

It is a cyclic number.

It is not a de Polignac number, because 52790251645 - 2⁷ = 52790251517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52790251595 and 52790251604.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1752399 + ... + 1782268.

It is an arithmetic number, because the mean of its divisors is an integer number (4135561560).

Almost surely, 2^52790251645 is an apocalyptic number.

It is an amenable number.

52790251645 is a deficient number, since it is larger than the sum of its proper divisors (13378733315).

52790251645 is a wasteful number, since it uses less digits than its factorization.

52790251645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534804.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 52790251645 in words is "fifty-two billion, seven hundred ninety million, two hundred fifty-one thousand, six hundred forty-five".