51369715 has 8 divisors (see below), whose sum is σ = 61728048. Its totient is φ = 41039520.

The previous prime is 51369677. The next prime is 51369719. The reversal of 51369715 is 51796315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51369715 - 2⁷ = 51369587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51369719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781 + ... + 10510.

It is an arithmetic number, because the mean of its divisors is an integer number (7716006).

Almost surely, 2^51369715 is an apocalyptic number.

51369715 is a deficient number, since it is larger than the sum of its proper divisors (10358333).

51369715 is a wasteful number, since it uses less digits than its factorization.

51369715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069.

The product of its digits is 28350, while the sum is 37.

The square root of 51369715 is about 7167.2669128476. The cubic root of 51369715 is about 371.7369392172.

The spelling of 51369715 in words is "fifty-one million, three hundred sixty-nine thousand, seven hundred fifteen".