51667441 has 8 divisors (see below), whose sum is σ = 62156480. Its totient is φ = 41955408.

The previous prime is 51667433. The next prime is 51667457. The reversal of 51667441 is 14476615.

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

It is a cyclic number.

It is not a de Polignac number, because 51667441 - 2³ = 51667433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51667397 and 51667406.

It is not an unprimeable number, because it can be changed into a prime (51667541) 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, 194106 + ... + 194371.

It is an arithmetic number, because the mean of its divisors is an integer number (7769560).

Almost surely, 2^51667441 is an apocalyptic number.

It is an amenable number.

51667441 is a deficient number, since it is larger than the sum of its proper divisors (10489039).

51667441 is a wasteful number, since it uses less digits than its factorization.

51667441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388503.

The product of its digits is 20160, while the sum is 34.

The square root of 51667441 is about 7188.0067473535. The cubic root of 51667441 is about 372.4537209596.

The spelling of 51667441 in words is "fifty-one million, six hundred sixty-seven thousand, four hundred forty-one".