51850685 has 8 divisors (see below), whose sum is σ = 62311680. Its totient is φ = 41419984.

The previous prime is 51850679. The next prime is 51850723. The reversal of 51850685 is 58605815.

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 51850685 - 2¹² = 51846589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (7788960).

Almost surely, 2^51850685 is an apocalyptic number.

It is an amenable number.

51850685 is a deficient number, since it is larger than the sum of its proper divisors (10460995).

51850685 is a wasteful number, since it uses less digits than its factorization.

51850685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 51850685 is about 7200.7419756578. The cubic root of 51850685 is about 372.8935168399.

The spelling of 51850685 in words is "fifty-one million, eight hundred fifty thousand, six hundred eighty-five".