63556061 has 8 divisors (see below), whose sum is σ = 66542784. Its totient is φ = 60588000.

The previous prime is 63556043. The next prime is 63556067. The reversal of 63556061 is 16065536.

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 63556061 - 2⁶ = 63555997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63556067) 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, 2561 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (8317848).

Almost surely, 2^63556061 is an apocalyptic number.

It is an amenable number.

63556061 is a deficient number, since it is larger than the sum of its proper divisors (2986723).

63556061 is a wasteful number, since it uses less digits than its factorization.

63556061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 63556061 is about 7972.2055292121. The cubic root of 63556061 is about 399.0729803293.

The spelling of 63556061 in words is "sixty-three million, five hundred fifty-six thousand, sixty-one".