54641623505 has 8 divisors (see below), whose sum is σ = 74937083712. Its totient is φ = 37468541808.

The previous prime is 54641623489. The next prime is 54641623511. The reversal of 54641623505 is 50532614645.

It is a happy number.

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 54641623505 - 2⁴ = 54641623489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780594587 + ... + 780594656.

It is an arithmetic number, because the mean of its divisors is an integer number (9367135464).

Almost surely, 2^54641623505 is an apocalyptic number.

It is an amenable number.

54641623505 is a deficient number, since it is larger than the sum of its proper divisors (20295460207).

54641623505 is a wasteful number, since it uses less digits than its factorization.

54641623505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561189255.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 54641623505 in words is "fifty-four billion, six hundred forty-one million, six hundred twenty-three thousand, five hundred five".