51237360 has 100 divisors (see below), whose sum is σ = 177977448. Its totient is φ = 13661568.

The previous prime is 51237359. The next prime is 51237367. The reversal of 51237360 is 6373215.

It is a happy number.

51237360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51237367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2527 + ... + 10433.

Almost surely, 2^51237360 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 51237360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88988724).

51237360 is an abundant number, since it is smaller than the sum of its proper divisors (126740088).

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

51237360 is a wasteful number, since it uses less digits than its factorization.

51237360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932 (or 7917 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 51237360 is about 7158.0276613045. The cubic root of 51237360 is about 371.4174023128.

The spelling of 51237360 in words is "fifty-one million, two hundred thirty-seven thousand, three hundred sixty".