56205326550 has 96 divisors (see below), whose sum is σ = 150141818880. Its totient is φ = 13873939200.

The previous prime is 56205326533. The next prime is 56205326591. The reversal of 56205326550 is 5562350265.

It is a junction number, because it is equal to n+sod(n) for n = 56205326499 and 56205326508.

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 47 ways as a sum of consecutive naturals, for example, 155815 + ... + 369714.

It is an arithmetic number, because the mean of its divisors is an integer number (1563977280).

Almost surely, 2^56205326550 is an apocalyptic number.

56205326550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56205326550 is an abundant number, since it is smaller than the sum of its proper divisors (93936492330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56205326550 is a wasteful number, since it uses less digits than its factorization.

56205326550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525598 (or 525593 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 56205326550 in words is "fifty-six billion, two hundred five million, three hundred twenty-six thousand, five hundred fifty".