51488470 has 32 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 18630240.

The previous prime is 51488449. The next prime is 51488477. The reversal of 51488470 is 7488415.

51488470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51488477) 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 15 ways as a sum of consecutive naturals, for example, 23481 + ... + 25579.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^51488470 is an apocalyptic number.

51488470 is a deficient number, since it is larger than the sum of its proper divisors (50117930).

51488470 is a wasteful number, since it uses less digits than its factorization.

51488470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340.

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

The square root of 51488470 is about 7175.5466690699. The cubic root of 51488470 is about 372.0231756094.

The spelling of 51488470 in words is "fifty-one million, four hundred eighty-eight thousand, four hundred seventy".