63239955 has 16 divisors (see below), whose sum is σ = 101702304. Its totient is φ = 33555200.

The previous prime is 63239951. The next prime is 63239959. The reversal of 63239955 is 55993236.

It is an interprime number because it is at equal distance from previous prime (63239951) and next prime (63239959).

It is not a de Polignac number, because 63239955 - 2² = 63239951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63239951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7746 + ... + 13655.

It is an arithmetic number, because the mean of its divisors is an integer number (6356394).

Almost surely, 2^63239955 is an apocalyptic number.

63239955 is a deficient number, since it is larger than the sum of its proper divisors (38462349).

63239955 is a wasteful number, since it uses less digits than its factorization.

63239955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606.

The product of its digits is 218700, while the sum is 42.

The square root of 63239955 is about 7952.3553114785. The cubic root of 63239955 is about 398.4102631285.

The spelling of 63239955 in words is "sixty-three million, two hundred thirty-nine thousand, nine hundred fifty-five".