63549942 has 32 divisors (see below), whose sum is σ = 131114592. Its totient is φ = 20519424.

The previous prime is 63549929. The next prime is 63549953. The reversal of 63549942 is 24994536.

It is a junction number, because it is equal to n+sod(n) for n = 63549894 and 63549903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64558 + ... + 65534.

It is an arithmetic number, because the mean of its divisors is an integer number (4097331).

Almost surely, 2^63549942 is an apocalyptic number.

63549942 is an abundant number, since it is smaller than the sum of its proper divisors (67564650).

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

63549942 is a wasteful number, since it uses less digits than its factorization.

63549942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 233280, while the sum is 42.

The square root of 63549942 is about 7971.8217491361. The cubic root of 63549942 is about 399.0601727077.

The spelling of 63549942 in words is "sixty-three million, five hundred forty-nine thousand, nine hundred forty-two".