51471370 has 32 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 20169600.

The previous prime is 51471367. The next prime is 51471397. The reversal of 51471370 is 7317415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134199 + ... + 134581.

It is an arithmetic number, because the mean of its divisors is an integer number (2954880).

Almost surely, 2^51471370 is an apocalyptic number.

51471370 is a deficient number, since it is larger than the sum of its proper divisors (43084790).

51471370 is a wasteful number, since it uses less digits than its factorization.

51471370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51471370 is about 7174.3550232756. The cubic root of 51471370 is about 371.9819864480.

Adding to 51471370 its reverse (7317415), we get a palindrome (58788785).

The spelling of 51471370 in words is "fifty-one million, four hundred seventy-one thousand, three hundred seventy".