51667355 has 16 divisors (see below), whose sum is σ = 64069824. Its totient is φ = 39968640.

The previous prime is 51667351. The next prime is 51667367. The reversal of 51667355 is 55376615.

It is not a de Polignac number, because 51667355 - 2² = 51667351 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51667351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32714 + ... + 34256.

It is an arithmetic number, because the mean of its divisors is an integer number (4004364).

Almost surely, 2^51667355 is an apocalyptic number.

51667355 is a deficient number, since it is larger than the sum of its proper divisors (12402469).

51667355 is a wasteful number, since it uses less digits than its factorization.

51667355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its digits is 94500, while the sum is 38.

The square root of 51667355 is about 7188.0007651641. Note that the first 3 decimals coincide. The cubic root of 51667355 is about 372.4535143108.

It can be divided in two parts, 5166 and 7355, that added together give a palindrome (12521).

The spelling of 51667355 in words is "fifty-one million, six hundred sixty-seven thousand, three hundred fifty-five".