53220542 has 16 divisors (see below), whose sum is σ = 82026000. Its totient is φ = 25882560.

The previous prime is 53220499. The next prime is 53220553. The reversal of 53220542 is 24502235.

53220542 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 7 ways as a sum of consecutive naturals, for example, 33584 + ... + 35132.

It is an arithmetic number, because the mean of its divisors is an integer number (5126625).

Almost surely, 2^53220542 is an apocalyptic number.

53220542 is a deficient number, since it is larger than the sum of its proper divisors (28805458).

53220542 is a wasteful number, since it uses less digits than its factorization.

53220542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 53220542 is about 7295.2410515349. The cubic root of 53220542 is about 376.1488725027.

Adding to 53220542 its reverse (24502235), we get a palindrome (77722777).

The spelling of 53220542 in words is "fifty-three million, two hundred twenty thousand, five hundred forty-two".