52215350 has 48 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 18823200.

The previous prime is 52215343. The next prime is 52215409. The reversal of 52215350 is 5351225.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76109 + ... + 76791.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^52215350 is an apocalyptic number.

52215350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52215350 is an abundant number, since it is smaller than the sum of its proper divisors (54652810).

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

52215350 is a wasteful number, since it uses less digits than its factorization.

52215350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52215350 is about 7226.0189592887. The cubic root of 52215350 is about 373.7656600561.

Adding to 52215350 its reverse (5351225), we get a palindrome (57566575).

The spelling of 52215350 in words is "fifty-two million, two hundred fifteen thousand, three hundred fifty".