51038880 has 48 divisors (see below), whose sum is σ = 160773984. Its totient is φ = 13610240.

The previous prime is 51038849. The next prime is 51038881. The reversal of 51038880 is 8883015.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (51038881) 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, 52686 + ... + 53645.

It is an arithmetic number, because the mean of its divisors is an integer number (3349458).

Almost surely, 2^51038880 is an apocalyptic number.

It is an amenable number.

51038880 is an abundant number, since it is smaller than the sum of its proper divisors (109735104).

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

51038880 is a wasteful number, since it uses less digits than its factorization.

51038880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106349 (or 106341 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 51038880 is about 7144.1500544152. The cubic root of 51038880 is about 370.9371907340.

The spelling of 51038880 in words is "fifty-one million, thirty-eight thousand, eight hundred eighty".