51180048 has 30 divisors (see below), whose sum is σ = 143233454. Its totient is φ = 17059968.

The previous prime is 51180011. The next prime is 51180067. The reversal of 51180048 is 84008115.

It can be written as a sum of positive squares in only one way, i.e., 41370624 + 9809424 = 6432^2 + 3132^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177565 + ... + 177852.

Almost surely, 2^51180048 is an apocalyptic number.

It is an amenable number.

51180048 is an abundant number, since it is smaller than the sum of its proper divisors (92053406).

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

51180048 is a wasteful number, since it uses less digits than its factorization.

51180048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355431 (or 355422 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 51180048 is about 7154.0232037644. The cubic root of 51180048 is about 371.2788665783.

The spelling of 51180048 in words is "fifty-one million, one hundred eighty thousand, forty-eight".