51634741 has 4 divisors (see below), whose sum is σ = 51752800. Its totient is φ = 51516684.

The previous prime is 51634733. The next prime is 51634753. The reversal of 51634741 is 14743615.

51634741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14743615 = 5 ⋅2948723.

It is a cyclic number.

It is not a de Polignac number, because 51634741 - 2³ = 51634733 is a prime.

It is a super-2 number, since 2×51634741² = 5332292956274162, which contains 22 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 (51634711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58371 + ... + 59248.

It is an arithmetic number, because the mean of its divisors is an integer number (12938200).

Almost surely, 2^51634741 is an apocalyptic number.

It is an amenable number.

51634741 is a deficient number, since it is larger than the sum of its proper divisors (118059).

51634741 is a wasteful number, since it uses less digits than its factorization.

51634741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118058.

The product of its digits is 10080, while the sum is 31.

The square root of 51634741 is about 7185.7317651023. The cubic root of 51634741 is about 372.3751298344.

The spelling of 51634741 in words is "fifty-one million, six hundred thirty-four thousand, seven hundred forty-one".