51480748 has 24 divisors (see below), whose sum is σ = 100682064. Its totient is φ = 22828800.

The previous prime is 51480731. The next prime is 51480749. The reversal of 51480748 is 84708415.

It is not an unprimeable number, because it can be changed into a prime (51480749) 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, 12465 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (4195086).

Almost surely, 2^51480748 is an apocalyptic number.

It is an amenable number.

51480748 is a deficient number, since it is larger than the sum of its proper divisors (49201316).

51480748 is a wasteful number, since it uses less digits than its factorization.

51480748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28593 (or 28591 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 51480748 is about 7175.0085714235. The cubic root of 51480748 is about 372.0045765807.

The spelling of 51480748 in words is "fifty-one million, four hundred eighty thousand, seven hundred forty-eight".