51109976 has 16 divisors (see below), whose sum is σ = 95933400. Its totient is φ = 25527744.

The previous prime is 51109969. The next prime is 51109997. The reversal of 51109976 is 67990115.

It is a super-2 number, since 2×51109976² = 5224459293441152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140 + ... + 11828.

Almost surely, 2^51109976 is an apocalyptic number.

It is an amenable number.

51109976 is a deficient number, since it is larger than the sum of its proper divisors (44823424).

51109976 is a wasteful number, since it uses less digits than its factorization.

51109976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818 (or 6814 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 51109976 is about 7149.1241421590. The cubic root of 51109976 is about 371.1093465148.

The spelling of 51109976 in words is "fifty-one million, one hundred nine thousand, nine hundred seventy-six".