52456661 has 2 divisors, whose sum is σ = 52456662. Its totient is φ = 52456660.

The previous prime is 52456637. The next prime is 52456667. The reversal of 52456661 is 16665425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 256036 = 7225^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 52456661 - 2¹⁴ = 52440277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52456667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26228330 + 26228331.

It is an arithmetic number, because the mean of its divisors is an integer number (26228331).

Almost surely, 2^52456661 is an apocalyptic number.

It is an amenable number.

52456661 is a deficient number, since it is larger than the sum of its proper divisors (1).

52456661 is an equidigital number, since it uses as much as digits as its factorization.

52456661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 52456661 is about 7242.6970805081. The cubic root of 52456661 is about 374.3405559990.

The spelling of 52456661 in words is "fifty-two million, four hundred fifty-six thousand, six hundred sixty-one".