52614240 has 144 divisors (see below), whose sum is σ = 192879792. Its totient is φ = 12020736.

The previous prime is 52614217. The next prime is 52614251. The reversal of 52614240 is 4241625.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52614240.

It is a congruent number.

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, 22402 + ... + 24638.

It is an arithmetic number, because the mean of its divisors is an integer number (1339443).

Almost surely, 2^52614240 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 52614240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96439896).

52614240 is an abundant number, since it is smaller than the sum of its proper divisors (140265552).

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

52614240 is a wasteful number, since it uses less digits than its factorization.

52614240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52614240 is about 7253.5673981842. The cubic root of 52614240 is about 374.7150190394.

Adding to 52614240 its reverse (4241625), we get a palindrome (56855865).

The spelling of 52614240 in words is "fifty-two million, six hundred fourteen thousand, two hundred forty".