51541471 has 4 divisors (see below), whose sum is σ = 54254200. Its totient is φ = 48828744.

The previous prime is 51541463. The next prime is 51541487. The reversal of 51541471 is 17414515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51541471 - 2³ = 51541463 is a prime.

It is a super-3 number, since 3×51541471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51541421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356336 + ... + 1356373.

It is an arithmetic number, because the mean of its divisors is an integer number (13563550).

Almost surely, 2^51541471 is an apocalyptic number.

51541471 is a deficient number, since it is larger than the sum of its proper divisors (2712729).

51541471 is a wasteful number, since it uses less digits than its factorization.

51541471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712728.

The product of its digits is 2800, while the sum is 28.

The square root of 51541471 is about 7179.2388872359. The cubic root of 51541471 is about 372.1507824217.

Adding to 51541471 its reverse (17414515), we get a palindrome (68955986).

The spelling of 51541471 in words is "fifty-one million, five hundred forty-one thousand, four hundred seventy-one".