63821054 has 32 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 27795040.

The previous prime is 63821029. The next prime is 63821059. The reversal of 63821054 is 45012836.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63821059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106247 + ... + 106845.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 2^63821054 is an apocalyptic number.

63821054 is a deficient number, since it is larger than the sum of its proper divisors (45042946).

63821054 is a wasteful number, since it uses less digits than its factorization.

63821054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 63821054 is about 7988.8080462607. The cubic root of 63821054 is about 399.6268478352.

The spelling of 63821054 in words is "sixty-three million, eight hundred twenty-one thousand, fifty-four".