53220574 has 48 divisors (see below), whose sum is σ = 96752880. Its totient is φ = 21697280.

The previous prime is 53220553. The next prime is 53220581. The reversal of 53220574 is 47502235.

53220574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197712 + ... + 197980.

It is an arithmetic number, because the mean of its divisors is an integer number (2015685).

Almost surely, 2^53220574 is an apocalyptic number.

53220574 is a deficient number, since it is larger than the sum of its proper divisors (43532306).

53220574 is a wasteful number, since it uses less digits than its factorization.

53220574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 53220574 is about 7295.2432447452. The cubic root of 53220574 is about 376.1489478919.

The spelling of 53220574 in words is "fifty-three million, two hundred twenty thousand, five hundred seventy-four".