53120025 has 72 divisors (see below), whose sum is σ = 112582080. Its totient is φ = 23425920.

The previous prime is 53120017. The next prime is 53120027. The reversal of 53120025 is 52002135.

It is a happy number.

It is not a de Polignac number, because 53120025 - 2³ = 53120017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53120027) 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 71 ways as a sum of consecutive naturals, for example, 45094 + ... + 46256.

It is an arithmetic number, because the mean of its divisors is an integer number (1563640).

Almost surely, 2^53120025 is an apocalyptic number.

It is an amenable number.

53120025 is an abundant number, since it is smaller than the sum of its proper divisors (59462055).

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

53120025 is a wasteful number, since it uses less digits than its factorization.

53120025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53120025 is about 7288.3485783818. The cubic root of 53120025 is about 375.9119139702.

The spelling of 53120025 in words is "fifty-three million, one hundred twenty thousand, twenty-five".