63055761 has 8 divisors (see below), whose sum is σ = 85452864. Its totient is φ = 41347920.

The previous prime is 63055711. The next prime is 63055781. The reversal of 63055761 is 16755036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63055761 - 2⁶ = 63055697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63055711) 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, 172101 + ... + 172466.

It is an arithmetic number, because the mean of its divisors is an integer number (10681608).

Almost surely, 2^63055761 is an apocalyptic number.

63055761 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63055761 is a deficient number, since it is larger than the sum of its proper divisors (22397103).

63055761 is a wasteful number, since it uses less digits than its factorization.

63055761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344631.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 63055761 is about 7940.7657691182. The cubic root of 63055761 is about 398.0230809910.

The spelling of 63055761 in words is "sixty-three million, fifty-five thousand, seven hundred sixty-one".