53520460 has 48 divisors (see below), whose sum is σ = 130890816. Its totient is φ = 18001152.

The previous prime is 53520427. The next prime is 53520527. The reversal of 53520460 is 6402535.

It is a super-2 number, since 2×53520460² = 5728879277223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3814 + ... + 11026.

It is an arithmetic number, because the mean of its divisors is an integer number (2726892).

Almost surely, 2^53520460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53520460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65445408).

53520460 is an abundant number, since it is smaller than the sum of its proper divisors (77370356).

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

53520460 is a wasteful number, since it uses less digits than its factorization.

53520460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7282 (or 7280 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53520460 is about 7315.7679022779. The cubic root of 53520460 is about 376.8541300219.

Adding to 53520460 its reverse (6402535), we get a palindrome (59922995).

The spelling of 53520460 in words is "fifty-three million, five hundred twenty thousand, four hundred sixty".