56525215351 has 8 divisors (see below), whose sum is σ = 63330462864. Its totient is φ = 49997733120.

The previous prime is 56525215337. The next prime is 56525215423. The reversal of 56525215351 is 15351252565.

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 56525215351 - 2¹³ = 56525207159 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 (56525215321) 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, 69440890 + ... + 69441703.

It is an arithmetic number, because the mean of its divisors is an integer number (7916307858).

Almost surely, 2^56525215351 is an apocalyptic number.

56525215351 is a deficient number, since it is larger than the sum of its proper divisors (6805247513).

56525215351 is a wasteful number, since it uses less digits than its factorization.

56525215351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138882641.

The product of its digits is 225000, while the sum is 40.

The spelling of 56525215351 in words is "fifty-six billion, five hundred twenty-five million, two hundred fifteen thousand, three hundred fifty-one".