64554541 has 4 divisors (see below), whose sum is σ = 66129084. Its totient is φ = 62980000.

The previous prime is 64554521. The next prime is 64554563. The reversal of 64554541 is 14545546.

64554541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20385225 + 44169316 = 4515^2 + 6646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64554541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64554497 and 64554506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64554521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787210 + ... + 787291.

It is an arithmetic number, because the mean of its divisors is an integer number (16532271).

Almost surely, 2^64554541 is an apocalyptic number.

It is an amenable number.

64554541 is a deficient number, since it is larger than the sum of its proper divisors (1574543).

64554541 is a wasteful number, since it uses less digits than its factorization.

64554541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574542.

The product of its digits is 48000, while the sum is 34.

The square root of 64554541 is about 8034.5840589292. The cubic root of 64554541 is about 401.1519729609.

The spelling of 64554541 in words is "sixty-four million, five hundred fifty-four thousand, five hundred forty-one".