53220577 has 8 divisors (see below), whose sum is σ = 56790560. Its totient is φ = 49727520.

The previous prime is 53220553. The next prime is 53220581. The reversal of 53220577 is 77502235.

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

It is a cyclic number.

It is not a de Polignac number, because 53220577 - 2¹⁵ = 53187809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53220077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17799 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (7098820).

Almost surely, 2^53220577 is an apocalyptic number.

It is an amenable number.

53220577 is a deficient number, since it is larger than the sum of its proper divisors (3569983).

53220577 is a wasteful number, since it uses less digits than its factorization.

53220577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38463.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 53220577 is about 7295.2434503586. The cubic root of 53220577 is about 376.1489549596.

The spelling of 53220577 in words is "fifty-three million, two hundred twenty thousand, five hundred seventy-seven".