52730445 has 8 divisors (see below), whose sum is σ = 84368736. Its totient is φ = 28122896.

The previous prime is 52730441. The next prime is 52730449. The reversal of 52730445 is 54403725.

It is an interprime number because it is at equal distance from previous prime (52730441) and next prime (52730449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52730445 - 2² = 52730441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52730441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757667 + ... + 1757696.

It is an arithmetic number, because the mean of its divisors is an integer number (10546092).

Almost surely, 2^52730445 is an apocalyptic number.

It is an amenable number.

52730445 is a deficient number, since it is larger than the sum of its proper divisors (31638291).

52730445 is a wasteful number, since it uses less digits than its factorization.

52730445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515371.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 52730445 is about 7261.5731766608. The cubic root of 52730445 is about 374.9906842130.

The spelling of 52730445 in words is "fifty-two million, seven hundred thirty thousand, four hundred forty-five".