56521869367 has 8 divisors (see below), whose sum is σ = 58060305792. Its totient is φ = 54984002400.

The previous prime is 56521869361. The next prime is 56521869431. The reversal of 56521869367 is 76396812565.

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

It is a cyclic number.

It is not a de Polignac number, because 56521869367 - 2¹⁵ = 56521836599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56521869361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62817 + ... + 342037.

It is an arithmetic number, because the mean of its divisors is an integer number (7257538224).

Almost surely, 2^56521869367 is an apocalyptic number.

56521869367 is a deficient number, since it is larger than the sum of its proper divisors (1538436425).

56521869367 is a wasteful number, since it uses less digits than its factorization.

56521869367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284729.

The product of its digits is 16329600, while the sum is 58.

The spelling of 56521869367 in words is "fifty-six billion, five hundred twenty-one million, eight hundred sixty-nine thousand, three hundred sixty-seven".