53222650 has 48 divisors (see below), whose sum is σ = 109539864. Its totient is φ = 19111680.

The previous prime is 53222641. The next prime is 53222669. The reversal of 53222650 is 5622235.

It can be written as a sum of positive squares in 12 ways, for example, as 18636489 + 34586161 = 4317^2 + 5881^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 22944 + ... + 25156.

Almost surely, 2^53222650 is an apocalyptic number.

53222650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53222650 is an abundant number, since it is smaller than the sum of its proper divisors (56317214).

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

53222650 is a wasteful number, since it uses less digits than its factorization.

53222650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53222650 is about 7295.3855278525. The cubic root of 53222650 is about 376.1538387013.

Adding to 53222650 its reverse (5622235), we get a palindrome (58844885).

The spelling of 53222650 in words is "fifty-three million, two hundred twenty-two thousand, six hundred fifty".