53220350 has 12 divisors (see below), whose sum is σ = 98989944. Its totient is φ = 21288120.

The previous prime is 53220341. The next prime is 53220359. The reversal of 53220350 is 5302235.

It is an interprime number because it is at equal distance from previous prime (53220341) and next prime (53220359).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532154 + ... + 532253.

It is an arithmetic number, because the mean of its divisors is an integer number (8249162).

Almost surely, 2^53220350 is an apocalyptic number.

53220350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53220350 is a deficient number, since it is larger than the sum of its proper divisors (45769594).

53220350 is a wasteful number, since it uses less digits than its factorization.

53220350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064419 (or 1064414 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53220350 is about 7295.2278922594. The cubic root of 53220350 is about 376.1484201669.

Adding to 53220350 its reverse (5302235), we get a palindrome (58522585).

The spelling of 53220350 in words is "fifty-three million, two hundred twenty thousand, three hundred fifty".