51242360 has 32 divisors (see below), whose sum is σ = 124165440. Its totient is φ = 18920064.

The previous prime is 51242339. The next prime is 51242371. The reversal of 51242360 is 6324215.

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, 48752 + ... + 49791.

It is an arithmetic number, because the mean of its divisors is an integer number (3880170).

Almost surely, 2^51242360 is an apocalyptic number.

It is an amenable number.

51242360 is an abundant number, since it is smaller than the sum of its proper divisors (72923080).

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

51242360 is a wasteful number, since it uses less digits than its factorization.

51242360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98567 (or 98563 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 51242360 is about 7158.3769110043. The cubic root of 51242360 is about 371.4294835142.

Adding to 51242360 its reverse (6324215), we get a palindrome (57566575).

The spelling of 51242360 in words is "fifty-one million, two hundred forty-two thousand, three hundred sixty".