51696546 has 32 divisors (see below), whose sum is σ = 113133888. Its totient is φ = 15618240.

The previous prime is 51696527. The next prime is 51696551. The reversal of 51696546 is 64569615.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51696498 and 51696507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25216 + ... + 27188.

It is an arithmetic number, because the mean of its divisors is an integer number (3535434).

Almost surely, 2^51696546 is an apocalyptic number.

51696546 is an abundant number, since it is smaller than the sum of its proper divisors (61437342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51696546 is a wasteful number, since it uses less digits than its factorization.

51696546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its digits is 194400, while the sum is 42.

The square root of 51696546 is about 7190.0310152321. The cubic root of 51696546 is about 372.5236439806.

The spelling of 51696546 in words is "fifty-one million, six hundred ninety-six thousand, five hundred forty-six".