51130543 has 16 divisors (see below), whose sum is σ = 55417824. Its totient is φ = 47001600.

The previous prime is 51130537. The next prime is 51130571. The reversal of 51130543 is 34503115.

It is a happy number.

It is not a de Polignac number, because 51130543 - 2¹⁷ = 50999471 is a prime.

It is a super-2 number, since 2×51130543² = 5228664854949698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51130043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166396 + ... + 166702.

It is an arithmetic number, because the mean of its divisors is an integer number (3463614).

Almost surely, 2^51130543 is an apocalyptic number.

51130543 is a deficient number, since it is larger than the sum of its proper divisors (4287281).

51130543 is a wasteful number, since it uses less digits than its factorization.

51130543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51130543 is about 7150.5624254320. The cubic root of 51130543 is about 371.1591188094.

Adding to 51130543 its reverse (34503115), we get a palindrome (85633658).

The spelling of 51130543 in words is "fifty-one million, one hundred thirty thousand, five hundred forty-three".