54445533541 has 4 divisors (see below), whose sum is σ = 62223466912. Its totient is φ = 46667600172.

The previous prime is 54445533533. The next prime is 54445533547. The reversal of 54445533541 is 14533554445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14533554445 = 5 ⋅2906710889.

It is a cyclic number.

It is not a de Polignac number, because 54445533541 - 2³ = 54445533533 is a prime.

It is a super-2 number, since 2×54445533541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54445533547) 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 3 ways as a sum of consecutive naturals, for example, 3888966675 + ... + 3888966688.

It is an arithmetic number, because the mean of its divisors is an integer number (15555866728).

Almost surely, 2^54445533541 is an apocalyptic number.

It is an amenable number.

54445533541 is a deficient number, since it is larger than the sum of its proper divisors (7777933371).

54445533541 is an equidigital number, since it uses as much as digits as its factorization.

54445533541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777933370.

The product of its digits is 1440000, while the sum is 43.

The spelling of 54445533541 in words is "fifty-four billion, four hundred forty-five million, five hundred thirty-three thousand, five hundred forty-one".