563950820 has 24 divisors (see below), whose sum is σ = 1225135800. Its totient is φ = 217801472.

The previous prime is 563950813. The next prime is 563950831. The reversal of 563950820 is 28059365.

It can be written as a sum of positive squares in 4 ways, for example, as 160985344 + 402965476 = 12688^2 + 20074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485585 + ... + 486744.

It is an arithmetic number, because the mean of its divisors is an integer number (51047325).

Almost surely, 2^563950820 is an apocalyptic number.

It is an amenable number.

563950820 is an abundant number, since it is smaller than the sum of its proper divisors (661184980).

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

563950820 is a wasteful number, since it uses less digits than its factorization.

563950820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972367 (or 972365 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 563950820 is about 23747.6487257160. The cubic root of 563950820 is about 826.1909069454.

The spelling of 563950820 in words is "five hundred sixty-three million, nine hundred fifty thousand, eight hundred twenty".