51982437 has 16 divisors (see below), whose sum is σ = 75696768. Its totient is φ = 31536960.

The previous prime is 51982417. The next prime is 51982439. The reversal of 51982437 is 73428915.

It is not a de Polignac number, because 51982437 - 2¹² = 51978341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 51982395 and 51982404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51982439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6618 + ... + 12155.

It is an arithmetic number, because the mean of its divisors is an integer number (4731048).

Almost surely, 2^51982437 is an apocalyptic number.

It is an amenable number.

51982437 is a deficient number, since it is larger than the sum of its proper divisors (23714331).

51982437 is a wasteful number, since it uses less digits than its factorization.

51982437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18860.

The product of its digits is 60480, while the sum is 39.

The square root of 51982437 is about 7209.8846731415. The cubic root of 51982437 is about 373.2090890951.

The spelling of 51982437 in words is "fifty-one million, nine hundred eighty-two thousand, four hundred thirty-seven".