51834661 has 4 divisors (see below), whose sum is σ = 51854400. Its totient is φ = 51814924.

The previous prime is 51834659. The next prime is 51834677. The reversal of 51834661 is 16643815.

It is a happy number.

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: 16643815 = 5 ⋅3328763.

It is a cyclic number.

It is not a de Polignac number, because 51834661 - 2¹ = 51834659 is a prime.

It is a super-3 number, since 3×51834661³ (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 (51834611) 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, 5191 + ... + 11428.

It is an arithmetic number, because the mean of its divisors is an integer number (12963600).

Almost surely, 2^51834661 is an apocalyptic number.

It is an amenable number.

51834661 is a deficient number, since it is larger than the sum of its proper divisors (19739).

51834661 is a wasteful number, since it uses less digits than its factorization.

51834661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19738.

The product of its digits is 17280, while the sum is 34.

The square root of 51834661 is about 7199.6292265644. The cubic root of 51834661 is about 372.8550997238.

The spelling of 51834661 in words is "fifty-one million, eight hundred thirty-four thousand, six hundred sixty-one".