51342566 has 16 divisors (see below), whose sum is σ = 84257280. Its totient is φ = 23270280.

The previous prime is 51342553. The next prime is 51342581. The reversal of 51342566 is 66524315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4895 + ... + 11253.

It is an arithmetic number, because the mean of its divisors is an integer number (5266080).

Almost surely, 2^51342566 is an apocalyptic number.

51342566 is a deficient number, since it is larger than the sum of its proper divisors (32914714).

51342566 is a wasteful number, since it uses less digits than its factorization.

51342566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739.

The product of its digits is 21600, while the sum is 32.

The square root of 51342566 is about 7165.3727048912. The cubic root of 51342566 is about 371.6714397648.

The spelling of 51342566 in words is "fifty-one million, three hundred forty-two thousand, five hundred sixty-six".