51850007 has 8 divisors (see below), whose sum is σ = 56786832. Its totient is φ = 46950400.

The previous prime is 51849989. The next prime is 51850013. The reversal of 51850007 is 70005815.

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 51850007 - 2⁶ = 51849943 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 (51850037) 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, 6344 + ... + 11997.

It is an arithmetic number, because the mean of its divisors is an integer number (7098354).

Almost surely, 2^51850007 is an apocalyptic number.

51850007 is a deficient number, since it is larger than the sum of its proper divisors (4936825).

51850007 is a wasteful number, since it uses less digits than its factorization.

51850007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18609.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 51850007 is about 7200.6948970221. The cubic root of 51850007 is about 372.8918915132.

It can be divided in two parts, 51 and 850007, that added together give a palindrome (850058).

The spelling of 51850007 in words is "fifty-one million, eight hundred fifty thousand, seven".