51797229 has 16 divisors (see below), whose sum is σ = 76253184. Its totient is φ = 31012400.

The previous prime is 51797203. The next prime is 51797257. The reversal of 51797229 is 92279715.

It is a cyclic number.

It is not a de Polignac number, because 51797229 - 2⁸ = 51796973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51797029) 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, 6717 + ... + 12194.

It is an arithmetic number, because the mean of its divisors is an integer number (4765824).

Almost surely, 2^51797229 is an apocalyptic number.

It is an amenable number.

51797229 is a deficient number, since it is larger than the sum of its proper divisors (24455955).

51797229 is a wasteful number, since it uses less digits than its factorization.

51797229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19008.

The product of its digits is 79380, while the sum is 42.

The square root of 51797229 is about 7197.0291787654. The cubic root of 51797229 is about 372.7653266341.

The spelling of 51797229 in words is "fifty-one million, seven hundred ninety-seven thousand, two hundred twenty-nine".