63428550 has 24 divisors (see below), whose sum is σ = 157303176. Its totient is φ = 16914240.

The previous prime is 63428543. The next prime is 63428551. The reversal of 63428550 is 5582436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63428551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211279 + ... + 211578.

It is an arithmetic number, because the mean of its divisors is an integer number (6554299).

Almost surely, 2^63428550 is an apocalyptic number.

63428550 is an abundant number, since it is smaller than the sum of its proper divisors (93874626).

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

63428550 is a wasteful number, since it uses less digits than its factorization.

63428550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422872 (or 422867 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 63428550 is about 7964.2042917042. The cubic root of 63428550 is about 398.8059181349.

The spelling of 63428550 in words is "sixty-three million, four hundred twenty-eight thousand, five hundred fifty".