51264033 has 16 divisors (see below), whose sum is σ = 75079680. Its totient is φ = 30968784.

The previous prime is 51264029. The next prime is 51264043. The reversal of 51264033 is 33046215.

It is a happy number.

It is not a de Polignac number, because 51264033 - 2² = 51264029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51263994 and 51264012.

It is not an unprimeable number, because it can be changed into a prime (51264013) 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 15 ways as a sum of consecutive naturals, for example, 18241 + ... + 20862.

It is an arithmetic number, because the mean of its divisors is an integer number (4692480).

Almost surely, 2^51264033 is an apocalyptic number.

It is an amenable number.

51264033 is a deficient number, since it is larger than the sum of its proper divisors (23815647).

51264033 is a wasteful number, since it uses less digits than its factorization.

51264033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39148.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 51264033 is about 7159.8905717895. The cubic root of 51264033 is about 371.4818416059.

The spelling of 51264033 in words is "fifty-one million, two hundred sixty-four thousand, thirty-three".