64055546 has 4 divisors (see below), whose sum is σ = 96083322. Its totient is φ = 32027772.

The previous prime is 64055543. The next prime is 64055569. The reversal of 64055546 is 64555046.

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

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 26368225 = 6139^2 + 5135^2 .

It is a super-2 number, since 2×64055546² = 8206225946716232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64055543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16013885 + ... + 16013888.

Almost surely, 2^64055546 is an apocalyptic number.

64055546 is a deficient number, since it is larger than the sum of its proper divisors (32027776).

64055546 is a wasteful number, since it uses less digits than its factorization.

64055546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32027775.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 64055546 is about 8003.4708720654. The cubic root of 64055546 is about 400.1156873712.

Subtracting 64055546 from its reverse (64555046), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 64055546 in words is "sixty-four million, fifty-five thousand, five hundred forty-six".