51433349 has 12 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 46375560.

The previous prime is 51433339. The next prime is 51433363. The reversal of 51433349 is 94333415.

It is not a de Polignac number, because 51433349 - 2⁸ = 51433093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51433339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13694 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (4749696).

Almost surely, 2^51433349 is an apocalyptic number.

It is an amenable number.

51433349 is a deficient number, since it is larger than the sum of its proper divisors (5563003).

51433349 is a wasteful number, since it uses less digits than its factorization.

51433349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3485 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 51433349 is about 7171.7047485239. The cubic root of 51433349 is about 371.8903716923.

The spelling of 51433349 in words is "fifty-one million, four hundred thirty-three thousand, three hundred forty-nine".