53808650 has 24 divisors (see below), whose sum is σ = 114382560. Its totient is φ = 18448560.

The previous prime is 53808641. The next prime is 53808673. The reversal of 53808650 is 5680835.

53808650 = 20² + 21² + ... + 544².

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 53808650.

It is an unprimeable number.

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, 76520 + ... + 77219.

It is an arithmetic number, because the mean of its divisors is an integer number (4765940).

Almost surely, 2^53808650 is an apocalyptic number.

53808650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53808650 is an abundant number, since it is smaller than the sum of its proper divisors (60573910).

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

53808650 is a wasteful number, since it uses less digits than its factorization.

53808650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153758 (or 153753 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 53808650 is about 7335.4379555688. The cubic root of 53808650 is about 377.5293312297.

The spelling of 53808650 in words is "fifty-three million, eight hundred eight thousand, six hundred fifty".