53026740 has 288 divisors, whose sum is σ = 193729536. Its totient is φ = 11612160.

The previous prime is 53026679. The next prime is 53026741. The reversal of 53026740 is 4762035.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53026741) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1233159 + ... + 1233201.

It is an arithmetic number, because the mean of its divisors is an integer number (672672).

Almost surely, 2^53026740 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 53026740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96864768).

53026740 is an abundant number, since it is smaller than the sum of its proper divisors (140702796).

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

53026740 is a wasteful number, since it uses less digits than its factorization.

53026740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53026740 is about 7281.9461684360. The cubic root of 53026740 is about 375.6917365502.

Adding to 53026740 its reverse (4762035), we get a palindrome (57788775).

The spelling of 53026740 in words is "fifty-three million, twenty-six thousand, seven hundred forty".