51675039 has 12 divisors (see below), whose sum is σ = 80383576. Its totient is φ = 31799952.

The previous prime is 51675031. The next prime is 51675049. The reversal of 51675039 is 93057615.

It is a happy number.

It is not a de Polignac number, because 51675039 - 2³ = 51675031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51674994 and 51675012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51675031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220717 + ... + 220950.

Almost surely, 2^51675039 is an apocalyptic number.

51675039 is a deficient number, since it is larger than the sum of its proper divisors (28708537).

51675039 is a wasteful number, since it uses less digits than its factorization.

51675039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441686 (or 441683 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 51675039 is about 7188.5352471835. The cubic root of 51675039 is about 372.4719772322.

The spelling of 51675039 in words is "fifty-one million, six hundred seventy-five thousand, thirty-nine".