53220346 has 8 divisors (see below), whose sum is σ = 79992000. Its totient is φ = 26556348.

The previous prime is 53220341. The next prime is 53220359. The reversal of 53220346 is 64302235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53220346.

It is not an unprimeable number, because it can be changed into a prime (53220341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25666 + ... + 27661.

It is an arithmetic number, because the mean of its divisors is an integer number (9999000).

Almost surely, 2^53220346 is an apocalyptic number.

53220346 is a deficient number, since it is larger than the sum of its proper divisors (26771654).

53220346 is a wasteful number, since it uses less digits than its factorization.

53220346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53828.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53220346 is about 7295.2276181076. The cubic root of 53220346 is about 376.1484107432.

The spelling of 53220346 in words is "fifty-three million, two hundred twenty thousand, three hundred forty-six".