63550872 has 128 divisors (see below), whose sum is σ = 220147200. Its totient is φ = 16502400.

The previous prime is 63550871. The next prime is 63550891. The reversal of 63550872 is 27805536.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63550871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14722 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^63550872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63550872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110073600).

63550872 is an abundant number, since it is smaller than the sum of its proper divisors (156596328).

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

63550872 is a wasteful number, since it uses less digits than its factorization.

63550872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 63550872 is about 7971.8800793790. The cubic root of 63550872 is about 399.0621193350.

The spelling of 63550872 in words is "sixty-three million, five hundred fifty thousand, eight hundred seventy-two".