53049140 has 48 divisors (see below), whose sum is σ = 118238400. Its totient is φ = 19936512.

The previous prime is 53049137. The next prime is 53049167. The reversal of 53049140 is 4194035.

53049140 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53049140² = 5628422509479200, which contains 22 as substring.

53049140 is strictly pandigital in base 9.

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, 51551 + ... + 52569.

It is an arithmetic number, because the mean of its divisors is an integer number (2463300).

Almost surely, 2^53049140 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 53049140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59119200).

53049140 is an abundant number, since it is smaller than the sum of its proper divisors (65189260).

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

53049140 is a wasteful number, since it uses less digits than its factorization.

53049140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 53049140 is about 7283.4840564115. The cubic root of 53049140 is about 375.7446300538.

The spelling of 53049140 in words is "fifty-three million, forty-nine thousand, one hundred forty".