54621005634 has 24 divisors (see below), whose sum is σ = 127449013692. Its totient is φ = 16806463200.

The previous prime is 54621005623. The next prime is 54621005639. The reversal of 54621005634 is 43650012645.

54621005634 is a `hidden beast` number, since 5 + 4 + 6 + 2 + 10 + 0 + 5 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54334211409 + 286794225 = 233097^2 + 16935^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54621005639) 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 11 ways as a sum of consecutive naturals, for example, 116711317 + ... + 116711784.

Almost surely, 2^54621005634 is an apocalyptic number.

54621005634 is an abundant number, since it is smaller than the sum of its proper divisors (72828008058).

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

54621005634 is a wasteful number, since it uses less digits than its factorization.

54621005634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233423122 (or 233423119 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 54621005634 in words is "fifty-four billion, six hundred twenty-one million, five thousand, six hundred thirty-four".