64579553 has 2 divisors, whose sum is σ = 64579554. Its totient is φ = 64579552.

The previous prime is 64579531. The next prime is 64579573. The reversal of 64579553 is 35597546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38651089 + 25928464 = 6217^2 + 5092^2 .

It is a cyclic number.

It is not a de Polignac number, because 64579553 - 2¹² = 64575457 is a prime.

It is not a weakly prime, because it can be changed into another prime (64579573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32289776 + 32289777.

It is an arithmetic number, because the mean of its divisors is an integer number (32289777).

Almost surely, 2^64579553 is an apocalyptic number.

It is an amenable number.

64579553 is a deficient number, since it is larger than the sum of its proper divisors (1).

64579553 is an equidigital number, since it uses as much as digits as its factorization.

64579553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 44.

The square root of 64579553 is about 8036.1404293355. The cubic root of 64579553 is about 401.2037757590.

The spelling of 64579553 in words is "sixty-four million, five hundred seventy-nine thousand, five hundred fifty-three".