53743140 has 72 divisors (see below), whose sum is σ = 177847488. Its totient is φ = 13028160.

The previous prime is 53743133. The next prime is 53743187. The reversal of 53743140 is 4134735.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11592 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (2470104).

Almost surely, 2^53743140 is an apocalyptic number.

It is an amenable number.

53743140 is an abundant number, since it is smaller than the sum of its proper divisors (124104348).

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

53743140 is a wasteful number, since it uses less digits than its factorization.

53743140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27169 (or 27164 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53743140 is about 7330.9712862621. The cubic root of 53743140 is about 377.3760597760.

Adding to 53743140 its reverse (4134735), we get a palindrome (57877875).

The spelling of 53743140 in words is "fifty-three million, seven hundred forty-three thousand, one hundred forty".