63155286 has 48 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 19871280.

The previous prime is 63155273. The next prime is 63155303. The reversal of 63155286 is 68255136.

It is a self number, because there is not a number n which added to its sum of digits gives 63155286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31741 + ... + 33671.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^63155286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63155286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72334080).

63155286 is an abundant number, since it is smaller than the sum of its proper divisors (81512874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63155286 is a wasteful number, since it uses less digits than its factorization.

63155286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2038 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 63155286 is about 7947.0300112684. The cubic root of 63155286 is about 398.2323794668.

The spelling of 63155286 in words is "sixty-three million, one hundred fifty-five thousand, two hundred eighty-six".