63625055 has 16 divisors (see below), whose sum is σ = 82404000. Its totient is φ = 46881408.

The previous prime is 63625049. The next prime is 63625063. The reversal of 63625055 is 55052636.

It is a cyclic number.

It is not a de Polignac number, because 63625055 - 2⁴ = 63625039 is a prime.

It is a congruent number.

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, 41696 + ... + 43194.

It is an arithmetic number, because the mean of its divisors is an integer number (5150250).

Almost surely, 2^63625055 is an apocalyptic number.

63625055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63625055 is a deficient number, since it is larger than the sum of its proper divisors (18778945).

63625055 is a wasteful number, since it uses less digits than its factorization.

63625055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 63625055 is about 7976.5315143864. The cubic root of 63625055 is about 399.2173341676.

The spelling of 63625055 in words is "sixty-three million, six hundred twenty-five thousand, fifty-five".