63355980 has 24 divisors (see below), whose sum is σ = 177396912. Its totient is φ = 16894912.

The previous prime is 63355979. The next prime is 63355997. The reversal of 63355980 is 8955336.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527907 + ... + 528026.

It is an arithmetic number, because the mean of its divisors is an integer number (7391538).

Almost surely, 2^63355980 is an apocalyptic number.

63355980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63355980 is an abundant number, since it is smaller than the sum of its proper divisors (114040932).

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

63355980 is a wasteful number, since it uses less digits than its factorization.

63355980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055945 (or 1055943 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 63355980 is about 7959.6469770964. The cubic root of 63355980 is about 398.6537658839.

The spelling of 63355980 in words is "sixty-three million, three hundred fifty-five thousand, nine hundred eighty".