56545355522 has 8 divisors (see below), whose sum is σ = 85031681916. Its totient is φ = 28201461552.

The previous prime is 56545355513. The next prime is 56545355557. The reversal of 56545355522 is 22555354565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50100316561 + 6445038961 = 223831^2 + 80281^2 .

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

It is a super-2 number, since 2×56545355522² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 35607113 + ... + 35608700.

Almost surely, 2^56545355522 is an apocalyptic number.

56545355522 is a deficient number, since it is larger than the sum of its proper divisors (28486326394).

56545355522 is a wasteful number, since it uses less digits than its factorization.

56545355522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71216212.

The product of its digits is 4500000, while the sum is 47.

The spelling of 56545355522 in words is "fifty-six billion, five hundred forty-five million, three hundred fifty-five thousand, five hundred twenty-two".