51886190 has 8 divisors (see below), whose sum is σ = 93395160. Its totient is φ = 20754472.

The previous prime is 51886189. The next prime is 51886201. The reversal of 51886190 is 9168815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51886190² = 5384353425432200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594300 + ... + 2594319.

It is an arithmetic number, because the mean of its divisors is an integer number (11674395).

Almost surely, 2^51886190 is an apocalyptic number.

51886190 is a deficient number, since it is larger than the sum of its proper divisors (41508970).

51886190 is a wasteful number, since it uses less digits than its factorization.

51886190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188626.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 51886190 is about 7203.2069246968. The cubic root of 51886190 is about 372.9786109488.

The spelling of 51886190 in words is "fifty-one million, eight hundred eighty-six thousand, one hundred ninety".