51248160 has 96 divisors (see below), whose sum is σ = 179383680. Its totient is φ = 13665024.

The previous prime is 51248147. The next prime is 51248161. The reversal of 51248160 is 6184215.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (51248161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (1868580).

Almost surely, 2^51248160 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 51248160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89691840).

51248160 is an abundant number, since it is smaller than the sum of its proper divisors (128135520).

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

51248160 is a wasteful number, since it uses less digits than its factorization.

51248160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11887 (or 11873 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 51248160 is about 7158.7820193103. The cubic root of 51248160 is about 371.4434967234.

The spelling of 51248160 in words is "fifty-one million, two hundred forty-eight thousand, one hundred sixty".