63550140 has 24 divisors (see below), whose sum is σ = 177940560. Its totient is φ = 16946688.

The previous prime is 63550133. The next prime is 63550147. The reversal of 63550140 is 4105536.

It is an interprime number because it is at equal distance from previous prime (63550133) and next prime (63550147).

It is a self number, because there is not a number n which added to its sum of digits gives 63550140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63550147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529525 + ... + 529644.

It is an arithmetic number, because the mean of its divisors is an integer number (7414190).

Almost surely, 2^63550140 is an apocalyptic number.

63550140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63550140 is an abundant number, since it is smaller than the sum of its proper divisors (114390420).

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

63550140 is a wasteful number, since it uses less digits than its factorization.

63550140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059181 (or 1059179 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 63550140 is about 7971.8341678688. The cubic root of 63550140 is about 399.0605871526.

Adding to 63550140 its reverse (4105536), we get a palindrome (67655676).

The spelling of 63550140 in words is "sixty-three million, five hundred fifty thousand, one hundred forty".