56198559 has 8 divisors (see below), whose sum is σ = 75987072. Its totient is φ = 36937880.

The previous prime is 56198557. The next prime is 56198563. The reversal of 56198559 is 95589165.

It is a happy number.

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 56198559 - 2¹ = 56198557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56198557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131709 + ... + 132134.

It is an arithmetic number, because the mean of its divisors is an integer number (9498384).

Almost surely, 2^56198559 is an apocalyptic number.

56198559 is a deficient number, since it is larger than the sum of its proper divisors (19788513).

56198559 is a wasteful number, since it uses less digits than its factorization.

56198559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263917.

The product of its digits is 486000, while the sum is 48.

The square root of 56198559 is about 7496.5698155890. The cubic root of 56198559 is about 383.0378813934.

The spelling of 56198559 in words is "fifty-six million, one hundred ninety-eight thousand, five hundred fifty-nine".