51130855 has 16 divisors (see below), whose sum is σ = 63256320. Its totient is φ = 39647232.

The previous prime is 51130853. The next prime is 51130867. The reversal of 51130855 is 55803115.

51130855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51130855 - 2¹ = 51130853 is a prime.

It is a super-2 number, since 2×51130855² = 5228728666062050, which contains 22 as substring.

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 (51130853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88327 + ... + 88903.

It is an arithmetic number, because the mean of its divisors is an integer number (3953520).

Almost surely, 2^51130855 is an apocalyptic number.

51130855 is a deficient number, since it is larger than the sum of its proper divisors (12125465).

51130855 is a wasteful number, since it uses less digits than its factorization.

51130855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 51130855 is about 7150.5842418644. The cubic root of 51130855 is about 371.1598737490.

The spelling of 51130855 in words is "fifty-one million, one hundred thirty thousand, eight hundred fifty-five".