53011650 has 24 divisors (see below), whose sum is σ = 131469264. Its totient is φ = 14136400.

The previous prime is 53011649. The next prime is 53011657. The reversal of 53011650 is 5611035.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53011657) 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 11 ways as a sum of consecutive naturals, for example, 176556 + ... + 176855.

It is an arithmetic number, because the mean of its divisors is an integer number (5477886).

Almost surely, 2^53011650 is an apocalyptic number.

53011650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53011650 is an abundant number, since it is smaller than the sum of its proper divisors (78457614).

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

53011650 is a wasteful number, since it uses less digits than its factorization.

53011650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353426 (or 353421 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 53011650 is about 7280.9099706012. The cubic root of 53011650 is about 375.6560958769.

Adding to 53011650 its reverse (5611035), we get a palindrome (58622685).

The spelling of 53011650 in words is "fifty-three million, eleven thousand, six hundred fifty".