53106720 has 192 divisors, whose sum is σ = 178827264. Its totient is φ = 13224960.

The previous prime is 53106719. The next prime is 53106721. The reversal of 53106720 is 2760135.

It is an interprime number because it is at equal distance from previous prime (53106719) and next prime (53106721).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53106721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639799 + ... + 639881.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 2^53106720 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 53106720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89413632).

53106720 is an abundant number, since it is smaller than the sum of its proper divisors (125720544).

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

53106720 is a wasteful number, since it uses less digits than its factorization.

53106720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 53106720 is about 7287.4357630102. The cubic root of 53106720 is about 375.8805263993.

Adding to 53106720 its reverse (2760135), we get a palindrome (55866855).

The spelling of 53106720 in words is "fifty-three million, one hundred six thousand, seven hundred twenty".