64554506 has 4 divisors (see below), whose sum is σ = 96831762. Its totient is φ = 32277252.

The previous prime is 64554499. The next prime is 64554521. The reversal of 64554506 is 60545546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60545546 = 2 ⋅30272773.

It can be written as a sum of positive squares in only one way, i.e., 62552281 + 2002225 = 7909^2 + 1415^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16138625 + ... + 16138628.

Almost surely, 2^64554506 is an apocalyptic number.

64554506 is a deficient number, since it is larger than the sum of its proper divisors (32277256).

64554506 is a wasteful number, since it uses less digits than its factorization.

64554506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32277255.

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

The square root of 64554506 is about 8034.5818808448. The cubic root of 64554506 is about 401.1519004624.

The spelling of 64554506 in words is "sixty-four million, five hundred fifty-four thousand, five hundred six".