52455666 has 16 divisors (see below), whose sum is σ = 107144064. Its totient is φ = 17113104.

The previous prime is 52455631. The next prime is 52455701. The reversal of 52455666 is 66655425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52455631) and next prime (52455701).

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 in 7 ways as a sum of consecutive naturals, for example, 92725 + ... + 93288.

It is an arithmetic number, because the mean of its divisors is an integer number (6696504).

Almost surely, 2^52455666 is an apocalyptic number.

52455666 is an abundant number, since it is smaller than the sum of its proper divisors (54688398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52455666 is a wasteful number, since it uses less digits than its factorization.

52455666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186065.

The product of its digits is 216000, while the sum is 39.

The square root of 52455666 is about 7242.6283903014. The cubic root of 52455666 is about 374.3381891486.

The spelling of 52455666 in words is "fifty-two million, four hundred fifty-five thousand, six hundred sixty-six".