53730245 has 4 divisors (see below), whose sum is σ = 64476300. Its totient is φ = 42984192.

The previous prime is 53730221. The next prime is 53730293. The reversal of 53730245 is 54203735.

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 11519236 + 42211009 = 3394^2 + 6497^2 .

It is a cyclic number.

It is not a de Polignac number, because 53730245 - 2⁸ = 53729989 is a prime.

It is a super-3 number, since 3×53730245³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5373020 + ... + 5373029.

It is an arithmetic number, because the mean of its divisors is an integer number (16119075).

Almost surely, 2^53730245 is an apocalyptic number.

It is an amenable number.

53730245 is a deficient number, since it is larger than the sum of its proper divisors (10746055).

53730245 is a wasteful number, since it uses less digits than its factorization.

53730245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746054.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 53730245 is about 7330.0917456741. The cubic root of 53730245 is about 377.3458751265.

The spelling of 53730245 in words is "fifty-three million, seven hundred thirty thousand, two hundred forty-five".