53322340 has 12 divisors (see below), whose sum is σ = 111976956. Its totient is φ = 21328928.

The previous prime is 53322337. The next prime is 53322383. The reversal of 53322340 is 4322335.

It can be written as a sum of positive squares in 2 ways, for example, as 19589476 + 33732864 = 4426^2 + 5808^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333039 + ... + 1333078.

It is an arithmetic number, because the mean of its divisors is an integer number (9331413).

Almost surely, 2^53322340 is an apocalyptic number.

It is an amenable number.

53322340 is an abundant number, since it is smaller than the sum of its proper divisors (58654616).

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

53322340 is a wasteful number, since it uses less digits than its factorization.

53322340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666126 (or 2666124 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 53322340 is about 7302.2147325315. The cubic root of 53322340 is about 376.3885469684.

Adding to 53322340 its reverse (4322335), we get a palindrome (57644675).

The spelling of 53322340 in words is "fifty-three million, three hundred twenty-two thousand, three hundred forty".