51289349 has 8 divisors (see below), whose sum is σ = 53017440. Its totient is φ = 49590000.

The previous prime is 51289339. The next prime is 51289387. The reversal of 51289349 is 94398215.

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 51289349 - 2⁸ = 51289093 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 (51289339) 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, 3527 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (6627180).

Almost surely, 2^51289349 is an apocalyptic number.

51289349 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

51289349 is a deficient number, since it is larger than the sum of its proper divisors (1728091).

51289349 is a wasteful number, since it uses less digits than its factorization.

51289349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371.

The product of its digits is 77760, while the sum is 41.

The square root of 51289349 is about 7161.6582576942. The cubic root of 51289349 is about 371.5429818511.

The spelling of 51289349 in words is "fifty-one million, two hundred eighty-nine thousand, three hundred forty-nine".