427553563 has 8 divisors (see below), whose sum is σ = 431676000. Its totient is φ = 423448128.

The previous prime is 427553549. The next prime is 427553579. The reversal of 427553563 is 365355724.

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 427553563 - 2⁵ = 427553531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427553513) 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, 49495 + ... + 57487.

It is an arithmetic number, because the mean of its divisors is an integer number (53959500).

Almost surely, 2^427553563 is an apocalyptic number.

427553563 is a deficient number, since it is larger than the sum of its proper divisors (4122437).

427553563 is a wasteful number, since it uses less digits than its factorization.

427553563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501.

The product of its digits is 378000, while the sum is 40.

The square root of 427553563 is about 20677.3683770445. The cubic root of 427553563 is about 753.3500879707.

The spelling of 427553563 in words is "four hundred twenty-seven million, five hundred fifty-three thousand, five hundred sixty-three".