52601240 has 32 divisors (see below), whose sum is σ = 118903680. Its totient is φ = 20942592.

The previous prime is 52601221. The next prime is 52601243. The reversal of 52601240 is 4210625.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52601243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (3715740).

Almost surely, 2^52601240 is an apocalyptic number.

It is an amenable number.

52601240 is an abundant number, since it is smaller than the sum of its proper divisors (66302440).

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

52601240 is a wasteful number, since it uses less digits than its factorization.

52601240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131 (or 6127 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52601240 is about 7252.6712320358. The cubic root of 52601240 is about 374.6841547936.

Adding to 52601240 its reverse (4210625), we get a palindrome (56811865).

The spelling of 52601240 in words is "fifty-two million, six hundred one thousand, two hundred forty".