53102530 has 32 divisors (see below), whose sum is σ = 108360000. Its totient is φ = 18574272.

The previous prime is 53102519. The next prime is 53102531. The reversal of 53102530 is 3520135.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 53102498 and 53102507.

It is not an unprimeable number, because it can be changed into a prime (53102531) 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, 8280 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (3386250).

Almost surely, 2^53102530 is an apocalyptic number.

53102530 is an abundant number, since it is smaller than the sum of its proper divisors (55257470).

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

53102530 is a wasteful number, since it uses less digits than its factorization.

53102530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21538.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53102530 is about 7287.1482762463. The cubic root of 53102530 is about 375.8706407651.

Adding to 53102530 its reverse (3520135), we get a palindrome (56622665).

The spelling of 53102530 in words is "fifty-three million, one hundred two thousand, five hundred thirty".