51635141 has 4 divisors (see below), whose sum is σ = 54352800. Its totient is φ = 48917484.

The previous prime is 51635117. The next prime is 51635147. The reversal of 51635141 is 14153615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51635141 - 2¹⁴ = 51618757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51635141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51635147) 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, 1358801 + ... + 1358838.

It is an arithmetic number, because the mean of its divisors is an integer number (13588200).

Almost surely, 2^51635141 is an apocalyptic number.

It is an amenable number.

51635141 is a deficient number, since it is larger than the sum of its proper divisors (2717659).

51635141 is a wasteful number, since it uses less digits than its factorization.

51635141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717658.

The product of its digits is 1800, while the sum is 26.

The square root of 51635141 is about 7185.7595979827. The cubic root of 51635141 is about 372.3760913942.

Adding to 51635141 its reverse (14153615), we get a palindrome (65788756).

The spelling of 51635141 in words is "fifty-one million, six hundred thirty-five thousand, one hundred forty-one".