54555510021 has 8 divisors (see below), whose sum is σ = 72751233024. Its totient is φ = 36365063520.

The previous prime is 54555509977. The next prime is 54555510029. The reversal of 54555510021 is 12001555545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54555510021 - 2¹¹ = 54555507973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54555510029) 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, 1294936 + ... + 1336401.

It is an arithmetic number, because the mean of its divisors is an integer number (9093904128).

Almost surely, 2^54555510021 is an apocalyptic number.

It is an amenable number.

54555510021 is a deficient number, since it is larger than the sum of its proper divisors (18195723003).

54555510021 is a wasteful number, since it uses less digits than its factorization.

54555510021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638251.

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 54555510021 in words is "fifty-four billion, five hundred fifty-five million, five hundred ten thousand, twenty-one".