51851359 has 12 divisors (see below), whose sum is σ = 60435504. Its totient is φ = 44356704.

The previous prime is 51851357. The next prime is 51851381. The reversal of 51851359 is 95315815.

It is not a de Polignac number, because 51851359 - 2¹ = 51851357 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 (51851357) 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, 42867 + ... + 44059.

It is an arithmetic number, because the mean of its divisors is an integer number (5036292).

Almost surely, 2^51851359 is an apocalyptic number.

51851359 is a deficient number, since it is larger than the sum of its proper divisors (8584145).

51851359 is a wasteful number, since it uses less digits than its factorization.

51851359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094 (or 2087 counting only the distinct ones).

The product of its digits is 27000, while the sum is 37.

The square root of 51851359 is about 7200.7887762383. The cubic root of 51851359 is about 372.8951325636.

The spelling of 51851359 in words is "fifty-one million, eight hundred fifty-one thousand, three hundred fifty-nine".