54411662621 has 8 divisors (see below), whose sum is σ = 54497964024. Its totient is φ = 54325408000.

The previous prime is 54411662581. The next prime is 54411662639. The reversal of 54411662621 is 12626611445.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 548215396 + 53863447225 = 23414^2 + 232085^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54411662621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54411662671) 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, 2854121 + ... + 2873121.

It is an arithmetic number, because the mean of its divisors is an integer number (6812245503).

Almost surely, 2^54411662621 is an apocalyptic number.

It is an amenable number.

54411662621 is a deficient number, since it is larger than the sum of its proper divisors (86301403).

54411662621 is a wasteful number, since it uses less digits than its factorization.

54411662621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23391.

The product of its digits is 69120, while the sum is 38.

The spelling of 54411662621 in words is "fifty-four billion, four hundred eleven million, six hundred sixty-two thousand, six hundred twenty-one".