46664557 has 4 divisors (see below), whose sum is σ = 46686240. Its totient is φ = 46642876.

The previous prime is 46664521. The next prime is 46664591. The reversal of 46664557 is 75546664.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46664557 - 2¹¹ = 46662509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46664257) 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, 7207 + ... + 12052.

It is an arithmetic number, because the mean of its divisors is an integer number (11671560).

Almost surely, 2^46664557 is an apocalyptic number.

It is an amenable number.

46664557 is a deficient number, since it is larger than the sum of its proper divisors (21683).

46664557 is a wasteful number, since it uses less digits than its factorization.

46664557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21682.

The product of its digits is 604800, while the sum is 43.

The square root of 46664557 is about 6831.1460971055. The cubic root of 46664557 is about 360.0220073995.

The spelling of 46664557 in words is "forty-six million, six hundred sixty-four thousand, five hundred fifty-seven".