53215125 has 16 divisors (see below), whose sum is σ = 88550592. Its totient is φ = 28381200.

The previous prime is 53215121. The next prime is 53215133. The reversal of 53215125 is 52151235.

It is a happy number.

It is not a de Polignac number, because 53215125 - 2² = 53215121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53215095 and 53215104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70579 + ... + 71328.

It is an arithmetic number, because the mean of its divisors is an integer number (5534412).

Almost surely, 2^53215125 is an apocalyptic number.

It is an amenable number.

53215125 is a deficient number, since it is larger than the sum of its proper divisors (35335467).

53215125 is a wasteful number, since it uses less digits than its factorization.

53215125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141925 (or 141915 counting only the distinct ones).

The product of its digits is 1500, while the sum is 24.

The square root of 53215125 is about 7294.8697726553. The cubic root of 53215125 is about 376.1361100899.

The spelling of 53215125 in words is "fifty-three million, two hundred fifteen thousand, one hundred twenty-five".