51450543 has 6 divisors (see below), whose sum is σ = 74317464. Its totient is φ = 34300356.

The previous prime is 51450533. The next prime is 51450557. The reversal of 51450543 is 34505415.

It is not a de Polignac number, because 51450543 - 2⁴ = 51450527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51450533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2858355 + ... + 2858372.

It is an arithmetic number, because the mean of its divisors is an integer number (12386244).

Almost surely, 2^51450543 is an apocalyptic number.

51450543 is a deficient number, since it is larger than the sum of its proper divisors (22866921).

51450543 is a wasteful number, since it uses less digits than its factorization.

51450543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716733 (or 5716730 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 51450543 is about 7172.9033870533. The cubic root of 51450543 is about 371.9318076529.

Adding to 51450543 its reverse (34505415), we get a palindrome (85955958).

The spelling of 51450543 in words is "fifty-one million, four hundred fifty thousand, five hundred forty-three".