51562213345 has 8 divisors (see below), whose sum is σ = 61890500160. Its totient is φ = 41239207920.

The previous prime is 51562213331. The next prime is 51562213369. The reversal of 51562213345 is 54331226515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51562213345 - 2¹⁵ = 51562180577 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1298835 + ... + 1337944.

It is an arithmetic number, because the mean of its divisors is an integer number (7736312520).

Almost surely, 2^51562213345 is an apocalyptic number.

It is an amenable number.

51562213345 is a deficient number, since it is larger than the sum of its proper divisors (10328286815).

51562213345 is a wasteful number, since it uses less digits than its factorization.

51562213345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640695.

The product of its digits is 108000, while the sum is 37.

The spelling of 51562213345 in words is "fifty-one billion, five hundred sixty-two million, two hundred thirteen thousand, three hundred forty-five".