51471230 has 16 divisors (see below), whose sum is σ = 95843520. Its totient is φ = 19878432.

The previous prime is 51471227. The next prime is 51471239. The reversal of 51471230 is 3217415.

It is a junction number, because it is equal to n+sod(n) for n = 51471196 and 51471205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51471239) 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, 88454 + ... + 89033.

It is an arithmetic number, because the mean of its divisors is an integer number (5990220).

Almost surely, 2^51471230 is an apocalyptic number.

51471230 is a deficient number, since it is larger than the sum of its proper divisors (44372290).

51471230 is a wasteful number, since it uses less digits than its factorization.

51471230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177523.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 51471230 is about 7174.3452662943. The cubic root of 51471230 is about 371.9816491892.

Adding to 51471230 its reverse (3217415), we get a palindrome (54688645).

The spelling of 51471230 in words is "fifty-one million, four hundred seventy-one thousand, two hundred thirty".