53437340 has 48 divisors (see below), whose sum is σ = 122986080. Its totient is φ = 19342080.

The previous prime is 53437313. The next prime is 53437357. The reversal of 53437340 is 4373435.

It is a happy number.

It is a congruent number.

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, 64046 + ... + 64874.

It is an arithmetic number, because the mean of its divisors is an integer number (2562210).

Almost surely, 2^53437340 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 53437340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61493040).

53437340 is an abundant number, since it is smaller than the sum of its proper divisors (69548740).

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

53437340 is a wasteful number, since it uses less digits than its factorization.

53437340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 53437340 is about 7310.0848148294. The cubic root of 53437340 is about 376.6589377205.

The spelling of 53437340 in words is "fifty-three million, four hundred thirty-seven thousand, three hundred forty".