51541431 has 8 divisors (see below), whose sum is σ = 69663600. Its totient is φ = 33890112.

The previous prime is 51541429. The next prime is 51541453. The reversal of 51541431 is 13414515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51541431 - 2¹ = 51541429 is a prime.

It is a super-2 number, since 2×51541431² = 5313038219055522, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 117456 + ... + 117893.

It is an arithmetic number, because the mean of its divisors is an integer number (8707950).

Almost surely, 2^51541431 is an apocalyptic number.

51541431 is a deficient number, since it is larger than the sum of its proper divisors (18122169).

51541431 is a wasteful number, since it uses less digits than its factorization.

51541431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235425.

The product of its digits is 1200, while the sum is 24.

The square root of 51541431 is about 7179.2361014247. The cubic root of 51541431 is about 372.1506861495.

Adding to 51541431 its reverse (13414515), we get a palindrome (64955946).

The spelling of 51541431 in words is "fifty-one million, five hundred forty-one thousand, four hundred thirty-one".