51130810 has 32 divisors (see below), whose sum is σ = 94525200. Its totient is φ = 19906560.

The previous prime is 51130789. The next prime is 51130831. The reversal of 51130810 is 1803115.

It is an interprime number because it is at equal distance from previous prime (51130789) and next prime (51130831).

It can be written as a sum of positive squares in 8 ways, for example, as 10029889 + 41100921 = 3167^2 + 6411^2 .

It is a super-2 number, since 2×51130810² = 5228719462512200, which contains 22 as substring.

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, 66106 + ... + 66874.

Almost surely, 2^51130810 is an apocalyptic number.

51130810 is a deficient number, since it is larger than the sum of its proper divisors (43394390).

51130810 is a wasteful number, since it uses less digits than its factorization.

51130810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 51130810 is about 7150.5810952677. The cubic root of 51130810 is about 371.1597648637.

Adding to 51130810 its reverse (1803115), we get a palindrome (52933925).

The spelling of 51130810 in words is "fifty-one million, one hundred thirty thousand, eight hundred ten".