52642350 has 144 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 12916800.

The previous prime is 52642349. The next prime is 52642357. The reversal of 52642350 is 5324625.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642357) 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 71 ways as a sum of consecutive naturals, for example, 401785 + ... + 401915.

It is an arithmetic number, because the mean of its divisors is an integer number (1063920).

Almost surely, 2^52642350 is an apocalyptic number.

52642350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52642350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76602240).

52642350 is an abundant number, since it is smaller than the sum of its proper divisors (100562130).

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

52642350 is a wasteful number, since it uses less digits than its factorization.

52642350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52642350 is about 7255.5048066968. The cubic root of 52642350 is about 374.7817396578.

Adding to 52642350 its reverse (5324625), we get a palindrome (57966975).

The spelling of 52642350 in words is "fifty-two million, six hundred forty-two thousand, three hundred fifty".