51849441 has 24 divisors (see below), whose sum is σ = 86084544. Its totient is φ = 29458080.

The previous prime is 51849437. The next prime is 51849449. The reversal of 51849441 is 14494815.

It is not a de Polignac number, because 51849441 - 2² = 51849437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51849396 and 51849405.

It is not an unprimeable number, because it can be changed into a prime (51849449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9130 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (3586856).

Almost surely, 2^51849441 is an apocalyptic number.

It is an amenable number.

51849441 is a deficient number, since it is larger than the sum of its proper divisors (34235103).

51849441 is a wasteful number, since it uses less digits than its factorization.

51849441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741 (or 4738 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 51849441 is about 7200.6555951524. The cubic root of 51849441 is about 372.8905346662.

The spelling of 51849441 in words is "fifty-one million, eight hundred forty-nine thousand, four hundred forty-one".