51004970 has 16 divisors (see below), whose sum is σ = 92075400. Its totient is φ = 20342784.

The previous prime is 51004937. The next prime is 51004979. The reversal of 51004970 is 7940015.

It can be written as a sum of positive squares in 4 ways, for example, as 49434961 + 1570009 = 7031^2 + 1253^2 .

It is not an unprimeable number, because it can be changed into a prime (51004979) 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, 3695 + ... + 10754.

Almost surely, 2^51004970 is an apocalyptic number.

51004970 is a deficient number, since it is larger than the sum of its proper divisors (41070430).

51004970 is a wasteful number, since it uses less digits than its factorization.

51004970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14809.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 51004970 is about 7141.7763896666. The cubic root of 51004970 is about 370.8550228726.

Adding to 51004970 its reverse (7940015), we get a palindrome (58944985).

The spelling of 51004970 in words is "fifty-one million, four thousand, nine hundred seventy".