53065140 has 48 divisors (see below), whose sum is σ = 155046528. Its totient is φ = 13535104.

The previous prime is 53065127. The next prime is 53065147. The reversal of 53065140 is 4156035.

It is a self number, because there is not a number n which added to its sum of digits gives 53065140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53065147) 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, 17847 + ... + 20606.

It is an arithmetic number, because the mean of its divisors is an integer number (3230136).

Almost surely, 2^53065140 is an apocalyptic number.

It is an amenable number.

53065140 is an abundant number, since it is smaller than the sum of its proper divisors (101981388).

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

53065140 is a wasteful number, since it uses less digits than its factorization.

53065140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38488 (or 38486 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53065140 is about 7284.5823490438. The cubic root of 53065140 is about 375.7824020125.

The spelling of 53065140 in words is "fifty-three million, sixty-five thousand, one hundred forty".