53422520 has 16 divisors (see below), whose sum is σ = 120200760. Its totient is φ = 21368992.

The previous prime is 53422513. The next prime is 53422529. The reversal of 53422520 is 2522435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53422529) 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, 667742 + ... + 667821.

Almost surely, 2^53422520 is an apocalyptic number.

It is an amenable number.

53422520 is an abundant number, since it is smaller than the sum of its proper divisors (66778240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53422520 is a wasteful number, since it uses less digits than its factorization.

53422520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335574 (or 1335570 counting only the distinct ones).

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

The square root of 53422520 is about 7309.0710764091. The cubic root of 53422520 is about 376.6241143705.

Adding to 53422520 its reverse (2522435), we get a palindrome (55944955).

The spelling of 53422520 in words is "fifty-three million, four hundred twenty-two thousand, five hundred twenty".