64554101 has 4 divisors (see below), whose sum is σ = 64987500. Its totient is φ = 64120704.

The previous prime is 64554089. The next prime is 64554107. The reversal of 64554101 is 10145546.

64554101 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, and also an emirpimes, since its reverse is a distinct semiprime: 10145546 = 2 ⋅5072773.

It can be written as a sum of positive squares in 2 ways, for example, as 39564100 + 24990001 = 6290^2 + 4999^2 .

It is a cyclic number.

It is not a de Polignac number, because 64554101 - 2¹⁰ = 64553077 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 (64554107) 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, 216476 + ... + 216773.

It is an arithmetic number, because the mean of its divisors is an integer number (16246875).

Almost surely, 2^64554101 is an apocalyptic number.

It is an amenable number.

64554101 is a deficient number, since it is larger than the sum of its proper divisors (433399).

64554101 is a wasteful number, since it uses less digits than its factorization.

64554101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433398.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 64554101 is about 8034.5566772536. The cubic root of 64554101 is about 401.1510615493.

Adding to 64554101 its reverse (10145546), we get a palindrome (74699647).

The spelling of 64554101 in words is "sixty-four million, five hundred fifty-four thousand, one hundred one".