51433091 has 2 divisors, whose sum is σ = 51433092. Its totient is φ = 51433090.

The previous prime is 51433079. The next prime is 51433093. The reversal of 51433091 is 19033415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51433091 - 2¹⁰ = 51432067 is a prime.

Together with 51433093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51433091.

It is not a weakly prime, because it can be changed into another prime (51433093) 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 as a sum of consecutive naturals, namely, 25716545 + 25716546.

It is an arithmetic number, because the mean of its divisors is an integer number (25716546).

Almost surely, 2^51433091 is an apocalyptic number.

51433091 is a deficient number, since it is larger than the sum of its proper divisors (1).

51433091 is an equidigital number, since it uses as much as digits as its factorization.

51433091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 51433091 is about 7171.6867611462. The cubic root of 51433091 is about 371.8897498657.

The spelling of 51433091 in words is "fifty-one million, four hundred thirty-three thousand, ninety-one".