53650506 has 64 divisors (see below), whose sum is σ = 133555968. Its totient is φ = 13989888.

The previous prime is 53650459. The next prime is 53650523. The reversal of 53650506 is 60505635.

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 31 ways as a sum of consecutive naturals, for example, 52456 + ... + 53468.

It is an arithmetic number, because the mean of its divisors is an integer number (2086812).

Almost surely, 2^53650506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53650506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66777984).

53650506 is an abundant number, since it is smaller than the sum of its proper divisors (79905462).

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

53650506 is a wasteful number, since it uses less digits than its factorization.

53650506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 53650506 is about 7324.6505718703. The cubic root of 53650506 is about 377.1591145179.

The spelling of 53650506 in words is "fifty-three million, six hundred fifty thousand, five hundred six".