45566651 has 4 divisors (see below), whose sum is σ = 49071792. Its totient is φ = 42061512.

The previous prime is 45566639. The next prime is 45566671. The reversal of 45566651 is 15666554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45566651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45566671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752551 + ... + 1752576.

It is an arithmetic number, because the mean of its divisors is an integer number (12267948).

Almost surely, 2^45566651 is an apocalyptic number.

45566651 is a deficient number, since it is larger than the sum of its proper divisors (3505141).

45566651 is a wasteful number, since it uses less digits than its factorization.

45566651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505140.

The product of its digits is 108000, while the sum is 38.

The square root of 45566651 is about 6750.3074744785. The cubic root of 45566651 is about 357.1760829507.

It can be divided in two parts, 4 and 5566651, that added together give a palindrome (5566655).

The spelling of 45566651 in words is "forty-five million, five hundred sixty-six thousand, six hundred fifty-one".