53620242 has 64 divisors (see below), whose sum is σ = 123150720. Its totient is φ = 15427584.

The previous prime is 53620211. The next prime is 53620243. The reversal of 53620242 is 24202635.

It is not an unprimeable number, because it can be changed into a prime (53620243) 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 31 ways as a sum of consecutive naturals, for example, 143568 + ... + 143940.

It is an arithmetic number, because the mean of its divisors is an integer number (1924230).

Almost surely, 2^53620242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53620242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61575360).

53620242 is an abundant number, since it is smaller than the sum of its proper divisors (69530478).

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

53620242 is a wasteful number, since it uses less digits than its factorization.

53620242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 53620242 is about 7322.5843798484. The cubic root of 53620242 is about 377.0881832803.

Adding to 53620242 its reverse (24202635), we get a palindrome (77822877).

The spelling of 53620242 in words is "fifty-three million, six hundred twenty thousand, two hundred forty-two".