53062140 has 24 divisors (see below), whose sum is σ = 148574160. Its totient is φ = 14149888.

The previous prime is 53062109. The next prime is 53062189. The reversal of 53062140 is 4126035.

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 7 ways as a sum of consecutive naturals, for example, 442125 + ... + 442244.

It is an arithmetic number, because the mean of its divisors is an integer number (6190590).

Almost surely, 2^53062140 is an apocalyptic number.

It is an amenable number.

53062140 is an abundant number, since it is smaller than the sum of its proper divisors (95512020).

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

53062140 is a wasteful number, since it uses less digits than its factorization.

53062140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884381 (or 884379 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53062140 is about 7284.3764317888. The cubic root of 53062140 is about 375.7753203487.

Adding to 53062140 its reverse (4126035), we get a palindrome (57188175).

The spelling of 53062140 in words is "fifty-three million, sixty-two thousand, one hundred forty".