53220827 has 8 divisors (see below), whose sum is σ = 60583680. Its totient is φ = 46278760.

The previous prime is 53220823. The next prime is 53220833. The reversal of 53220827 is 72802235.

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

It is not a de Polignac number, because 53220827 - 2² = 53220823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53220827.

It is not an unprimeable number, because it can be changed into a prime (53220823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104927 + ... + 105432.

It is an arithmetic number, because the mean of its divisors is an integer number (7572960).

Almost surely, 2^53220827 is an apocalyptic number.

53220827 is a deficient number, since it is larger than the sum of its proper divisors (7362853).

53220827 is a wasteful number, since it uses less digits than its factorization.

53220827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210393.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 53220827 is about 7295.2605847906. The cubic root of 53220827 is about 376.1495439366.

It can be divided in two parts, 532208 and 27, that added together give a palindrome (532235).

The spelling of 53220827 in words is "fifty-three million, two hundred twenty thousand, eight hundred twenty-seven".