52830661 has 4 divisors (see below), whose sum is σ = 56894572. Its totient is φ = 48766752.

The previous prime is 52830649. The next prime is 52830671. The reversal of 52830661 is 16603825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 26112100 = 5169^2 + 5110^2 .

It is a cyclic number.

It is not a de Polignac number, because 52830661 - 2⁵ = 52830629 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 (52830671) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2031936 + ... + 2031961.

It is an arithmetic number, because the mean of its divisors is an integer number (14223643).

Almost surely, 2^52830661 is an apocalyptic number.

It is an amenable number.

52830661 is a deficient number, since it is larger than the sum of its proper divisors (4063911).

52830661 is a wasteful number, since it uses less digits than its factorization.

52830661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063910.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 52830661 is about 7268.4703342588. The cubic root of 52830661 is about 375.2280947142.

The spelling of 52830661 in words is "fifty-two million, eight hundred thirty thousand, six hundred sixty-one".