51162633 has 6 divisors (see below), whose sum is σ = 73901594. Its totient is φ = 34108416.

The previous prime is 51162623. The next prime is 51162637. The reversal of 51162633 is 33626115.

51162633 is a `hidden beast` number, since 5 + 1 + 1 + 626 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36324729 + 14837904 = 6027^2 + 3852^2 .

It is not a de Polignac number, because 51162633 - 2⁶ = 51162569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51162597 and 51162606.

It is not an unprimeable number, because it can be changed into a prime (51162637) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2842360 + ... + 2842377.

Almost surely, 2^51162633 is an apocalyptic number.

It is an amenable number.

51162633 is a deficient number, since it is larger than the sum of its proper divisors (22738961).

51162633 is a wasteful number, since it uses less digits than its factorization.

51162633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684743 (or 5684740 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 51162633 is about 7152.8059529111. The cubic root of 51162633 is about 371.2367501988.

Adding to 51162633 its reverse (33626115), we get a palindrome (84788748).

The spelling of 51162633 in words is "fifty-one million, one hundred sixty-two thousand, six hundred thirty-three".