63541554 has 16 divisors (see below), whose sum is σ = 130183200. Its totient is φ = 20663840.

The previous prime is 63541553. The next prime is 63541591. The reversal of 63541554 is 45514536.

It is not an unprimeable number, because it can be changed into a prime (63541553) 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, 128904 + ... + 129395.

It is an arithmetic number, because the mean of its divisors is an integer number (8136450).

Almost surely, 2^63541554 is an apocalyptic number.

63541554 is an abundant number, since it is smaller than the sum of its proper divisors (66641646).

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

63541554 is a wasteful number, since it uses less digits than its factorization.

63541554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258345.

The product of its digits is 36000, while the sum is 33.

The square root of 63541554 is about 7971.2956286917. The cubic root of 63541554 is about 399.0426145275.

The spelling of 63541554 in words is "sixty-three million, five hundred forty-one thousand, five hundred fifty-four".