51345037 has 4 divisors (see below), whose sum is σ = 51436800. Its totient is φ = 51253276.

The previous prime is 51345031. The next prime is 51345043. The reversal of 51345037 is 73054315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51345031) and next prime (51345043).

It is a cyclic number.

It is not a de Polignac number, because 51345037 - 2²³ = 42956429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51344996 and 51345014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51345031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45037 + ... + 46162.

It is an arithmetic number, because the mean of its divisors is an integer number (12859200).

Almost surely, 2^51345037 is an apocalyptic number.

It is an amenable number.

51345037 is a deficient number, since it is larger than the sum of its proper divisors (91763).

51345037 is an equidigital number, since it uses as much as digits as its factorization.

51345037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91762.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 51345037 is about 7165.5451292976. The cubic root of 51345037 is about 371.6774022339.

The spelling of 51345037 in words is "fifty-one million, three hundred forty-five thousand, thirty-seven".