51130608 has 40 divisors (see below), whose sum is σ = 135314256. Its totient is φ = 16627200.

The previous prime is 51130591. The next prime is 51130609. The reversal of 51130608 is 80603115.

It is a super-2 number, since 2×51130608² = 5228678148899328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51130609) 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, 11023 + ... + 14958.

Almost surely, 2^51130608 is an apocalyptic number.

It is an amenable number.

51130608 is an abundant number, since it is smaller than the sum of its proper divisors (84183648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51130608 is a wasteful number, since it uses less digits than its factorization.

51130608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26033 (or 26027 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51130608 is about 7150.5669705276. The cubic root of 51130608 is about 371.1592760888.

Adding to 51130608 its product of nonzero digits (720), we get a triangular number (51131328 = T₁₀₁₁₂).

The spelling of 51130608 in words is "fifty-one million, one hundred thirty thousand, six hundred eight".