54663476021 has 32 divisors (see below), whose sum is σ = 70538791680. Its totient is φ = 41104627200.

The previous prime is 54663475921. The next prime is 54663476039. The reversal of 54663476021 is 12067436645.

It is a de Polignac number, because none of the positive numbers 2^k-54663476021 is a prime.

It is a super-2 number, since 2×54663476021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54663476041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5222225 + ... + 5232681.

It is an arithmetic number, because the mean of its divisors is an integer number (2204337240).

Almost surely, 2^54663476021 is an apocalyptic number.

It is an amenable number.

54663476021 is a deficient number, since it is larger than the sum of its proper divisors (15875315659).

54663476021 is a wasteful number, since it uses less digits than its factorization.

54663476021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12845.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 54663476021 in words is "fifty-four billion, six hundred sixty-three million, four hundred seventy-six thousand, twenty-one".