54930021804281 has 8 divisors (see below), whose sum is σ = 62635137985224. Its totient is φ = 47722009893120.

The previous prime is 54930021804233. The next prime is 54930021804283. The reversal of 54930021804281 is 18240812003945.

It can be written as a sum of positive squares in 4 ways, for example, as 259377322681 + 54670644481600 = 509291^2 + 7393960^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54930021804281 - 2¹⁰ = 54930021803257 is a prime.

It is a super-2 number, since 2×54930021804281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54930021804283) 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, 124276067210 + ... + 124276067651.

It is an arithmetic number, because the mean of its divisors is an integer number (7829392248153).

Almost surely, 2^{54930021804281} is an apocalyptic number.

It is an amenable number.

54930021804281 is a deficient number, since it is larger than the sum of its proper divisors (7705116180943).

54930021804281 is a wasteful number, since it uses less digits than its factorization.

54930021804281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248552134891.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 54930021804281 in words is "fifty-four trillion, nine hundred thirty billion, twenty-one million, eight hundred four thousand, two hundred eighty-one".