54435054581 has 8 divisors (see below), whose sum is σ = 54503846040. Its totient is φ = 54366294528.

The previous prime is 54435054559. The next prime is 54435054599. The reversal of 54435054581 is 18545053445.

54435054581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29184255556 + 25250799025 = 170834^2 + 158905^2 .

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 54435054581 - 2¹⁴ = 54435038197 is a prime.

It is a super-2 number, since 2×54435054581² (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 (54435054521) 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, 7237835 + ... + 7245351.

It is an arithmetic number, because the mean of its divisors is an integer number (6812980755).

Almost surely, 2^54435054581 is an apocalyptic number.

It is an amenable number.

54435054581 is a deficient number, since it is larger than the sum of its proper divisors (68791459).

54435054581 is a wasteful number, since it uses less digits than its factorization.

54435054581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 54435054581 in words is "fifty-four billion, four hundred thirty-five million, fifty-four thousand, five hundred eighty-one".