51106696 has 8 divisors (see below), whose sum is σ = 95825070. Its totient is φ = 25553344.

The previous prime is 51106691. The next prime is 51106697. The reversal of 51106696 is 69660115.

It can be written as a sum of positive squares in only one way, i.e., 30404196 + 20702500 = 5514^2 + 4550^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51106696² = 5223788752072832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51106691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194161 + ... + 3194176.

Almost surely, 2^51106696 is an apocalyptic number.

It is an amenable number.

51106696 is a deficient number, since it is larger than the sum of its proper divisors (44718374).

51106696 is a wasteful number, since it uses less digits than its factorization.

51106696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388343 (or 6388339 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 51106696 is about 7148.8947397482. The cubic root of 51106696 is about 371.1014076557.

The spelling of 51106696 in words is "fifty-one million, one hundred six thousand, six hundred ninety-six".