53010440 has 64 divisors (see below), whose sum is σ = 138015360. Its totient is φ = 17948160.

The previous prime is 53010421. The next prime is 53010449. The reversal of 53010440 is 4401035.

It is a super-3 number, since 3×53010440³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53010449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22100 + ... + 24380.

It is an arithmetic number, because the mean of its divisors is an integer number (2156490).

Almost surely, 2^53010440 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 53010440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69007680).

53010440 is an abundant number, since it is smaller than the sum of its proper divisors (85004920).

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

53010440 is a wasteful number, since it uses less digits than its factorization.

53010440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 53010440 is about 7280.8268761178. The cubic root of 53010440 is about 375.6532377169.

Adding to 53010440 its reverse (4401035), we get a palindrome (57411475).

The spelling of 53010440 in words is "fifty-three million, ten thousand, four hundred forty".