53340725 has 12 divisors (see below), whose sum is σ = 66233856. Its totient is φ = 42613680.

The previous prime is 53340719. The next prime is 53340731. The reversal of 53340725 is 52704335.

It is an interprime number because it is at equal distance from previous prime (53340719) and next prime (53340731).

It is not a de Polignac number, because 53340725 - 2⁴ = 53340709 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 31244 + ... + 32906.

It is an arithmetic number, because the mean of its divisors is an integer number (5519488).

Almost surely, 2^53340725 is an apocalyptic number.

It is an amenable number.

53340725 is a deficient number, since it is larger than the sum of its proper divisors (12893131).

53340725 is a wasteful number, since it uses less digits than its factorization.

53340725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2951 counting only the distinct ones).

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

The square root of 53340725 is about 7303.4734886902. The cubic root of 53340725 is about 376.4318003107.

The spelling of 53340725 in words is "fifty-three million, three hundred forty thousand, seven hundred twenty-five".