564442051 has 4 divisors (see below), whose sum is σ = 583905600. Its totient is φ = 544978504.

The previous prime is 564442049. The next prime is 564442061. The reversal of 564442051 is 150244465.

564442051 = 2504² + 2505² + ... + 2590².

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564442051 - 2¹ = 564442049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564442001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9731731 + ... + 9731788.

It is an arithmetic number, because the mean of its divisors is an integer number (145976400).

Almost surely, 2^564442051 is an apocalyptic number.

564442051 is a deficient number, since it is larger than the sum of its proper divisors (19463549).

564442051 is a wasteful number, since it uses less digits than its factorization.

564442051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19463548.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 564442051 is about 23757.9892036342. The cubic root of 564442051 is about 826.4307226580.

The spelling of 564442051 in words is "five hundred sixty-four million, four hundred forty-two thousand, fifty-one".