53125650 has 36 divisors (see below), whose sum is σ = 142732122. Its totient is φ = 14166720.

The previous prime is 53125621. The next prime is 53125669. The reversal of 53125650 is 5652135.

53125650 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 5 + 650 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 48316401 + 4809249 = 6951^2 + 2193^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58579 + ... + 59478.

Almost surely, 2^53125650 is an apocalyptic number.

53125650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53125650 is an abundant number, since it is smaller than the sum of its proper divisors (89606472).

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

53125650 is a wasteful number, since it uses less digits than its factorization.

53125650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118075 (or 118067 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 53125650 is about 7288.7344580524. The cubic root of 53125650 is about 375.9251822238.

Adding to 53125650 its reverse (5652135), we get a palindrome (58777785).

The spelling of 53125650 in words is "fifty-three million, one hundred twenty-five thousand, six hundred fifty".