51951086 has 8 divisors (see below), whose sum is σ = 85010904. Its totient is φ = 23614120.

The previous prime is 51951083. The next prime is 51951091. The reversal of 51951086 is 68015915.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51951083) 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, 1180685 + ... + 1180728.

It is an arithmetic number, because the mean of its divisors is an integer number (10626363).

Almost surely, 2^51951086 is an apocalyptic number.

51951086 is a deficient number, since it is larger than the sum of its proper divisors (33059818).

51951086 is a wasteful number, since it uses less digits than its factorization.

51951086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361426.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 51951086 is about 7207.7101773032. The cubic root of 51951086 is about 373.1340456007.

The spelling of 51951086 in words is "fifty-one million, nine hundred fifty-one thousand, eighty-six".