51541438 has 16 divisors (see below), whose sum is σ = 83432160. Its totient is φ = 23738976.

The previous prime is 51541429. The next prime is 51541453. The reversal of 51541438 is 83414515.

It is a super-2 number, since 2×51541438² = 5313039662215688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12703 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (5214510).

Almost surely, 2^51541438 is an apocalyptic number.

51541438 is a deficient number, since it is larger than the sum of its proper divisors (31890722).

51541438 is a wasteful number, since it uses less digits than its factorization.

51541438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131.

The product of its digits is 9600, while the sum is 31.

The square root of 51541438 is about 7179.2365889418. The cubic root of 51541438 is about 372.1507029971.

The spelling of 51541438 in words is "fifty-one million, five hundred forty-one thousand, four hundred thirty-eight".