51825886 has 16 divisors (see below), whose sum is σ = 91012320. Its totient is φ = 21669120.

The previous prime is 51825883. The next prime is 51825889. The reversal of 51825886 is 68852815.

It is an interprime number because it is at equal distance from previous prime (51825883) and next prime (51825889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51825883) 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, 44571 + ... + 45718.

It is an arithmetic number, because the mean of its divisors is an integer number (5688270).

Almost surely, 2^51825886 is an apocalyptic number.

51825886 is a deficient number, since it is larger than the sum of its proper divisors (39186434).

51825886 is a wasteful number, since it uses less digits than its factorization.

51825886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90339.

The product of its digits is 153600, while the sum is 43.

The square root of 51825886 is about 7199.0197943887. The cubic root of 51825886 is about 372.8340585384.

The spelling of 51825886 in words is "fifty-one million, eight hundred twenty-five thousand, eight hundred eighty-six".