51337880 has 48 divisors (see below), whose sum is σ = 126977760. Its totient is φ = 18666560.

The previous prime is 51337877. The next prime is 51337883. The reversal of 51337880 is 8873315.

51337880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51337877) and next prime (51337883).

It is a self number, because there is not a number n which added to its sum of digits gives 51337880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51337883) 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 11 ways as a sum of consecutive naturals, for example, 464 + ... + 10143.

It is an arithmetic number, because the mean of its divisors is an integer number (2645370).

Almost surely, 2^51337880 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 51337880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63488880).

51337880 is an abundant number, since it is smaller than the sum of its proper divisors (75639880).

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

51337880 is a wasteful number, since it uses less digits than its factorization.

51337880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640 (or 10625 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 51337880 is about 7165.0457081585. The cubic root of 51337880 is about 371.6601320235.

The spelling of 51337880 in words is "fifty-one million, three hundred thirty-seven thousand, eight hundred eighty".