64285544 has 8 divisors (see below), whose sum is σ = 120535410. Its totient is φ = 32142768.

The previous prime is 64285541. The next prime is 64285553. The reversal of 64285544 is 44558246.

It can be written as a sum of positive squares in only one way, i.e., 43692100 + 20593444 = 6610^2 + 4538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 64285498 and 64285507.

It is not an unprimeable number, because it can be changed into a prime (64285541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017839 + ... + 4017854.

Almost surely, 2^64285544 is an apocalyptic number.

It is an amenable number.

64285544 is a deficient number, since it is larger than the sum of its proper divisors (56249866).

64285544 is a wasteful number, since it uses less digits than its factorization.

64285544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035699 (or 8035695 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The square root of 64285544 is about 8017.8266381857. The cubic root of 64285544 is about 400.5940008043.

The spelling of 64285544 in words is "sixty-four million, two hundred eighty-five thousand, five hundred forty-four".