56563530 has 32 divisors (see below), whose sum is σ = 140133888.
Its totient is φ = 14596800.
The previous prime is 56563519. The next prime is 56563541. The reversal of 56563530 is 3536565.
It is an interprime number because it is at equal distance from previous prime (56563519) and next prime (56563541).
It is a junction number, because it is equal to n+sod(n) for n = 56563491 and 56563500.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29481 + ... + 31340.
It is an arithmetic number, because the mean of its divisors is an integer number (4379184).
Almost surely, 256563530 is an apocalyptic number.
56563530 is an abundant number, since it is smaller than the sum of its proper divisors (83570358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56563530 is a wasteful number, since it uses less digits than its factorization.
56563530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60862.
The product of its (nonzero) digits is 40500, while the sum is 33.
The square root of 56563530 is about 7520.8729546509.
The cubic root of 56563530 is about 383.8652820613.
The spelling of 56563530 in words is "fifty-six million, five hundred sixty-three thousand, five hundred thirty".