53714240 has 56 divisors (see below), whose sum is σ = 128640840. Its totient is φ = 21362688.

The previous prime is 53714239. The next prime is 53714299. The reversal of 53714240 is 4241735.

It is a Cunningham number, because it is equal to 7329²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 32993536 + 20720704 = 5744^2 + 4552^2 .

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, 72914 + ... + 73646.

Almost surely, 2^53714240 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 53714240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64320420).

53714240 is an abundant number, since it is smaller than the sum of its proper divisors (74926600).

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

53714240 is a wasteful number, since it uses less digits than its factorization.

53714240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 53714240 is about 7328.9999317779. Note that the first 4 decimals coincide. The cubic root of 53714240 is about 377.3084038630.

Adding to 53714240 its reverse (4241735), we get a palindrome (57955975).

The spelling of 53714240 in words is "fifty-three million, seven hundred fourteen thousand, two hundred forty".