51369755 has 8 divisors (see below), whose sum is σ = 62001072. Its totient is φ = 40857568.

The previous prime is 51369751. The next prime is 51369757. The reversal of 51369755 is 55796315.

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

It is a cyclic number.

It is not a de Polignac number, because 51369755 - 2² = 51369751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51369751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28829 + ... + 30558.

It is an arithmetic number, because the mean of its divisors is an integer number (7750134).

Almost surely, 2^51369755 is an apocalyptic number.

51369755 is a deficient number, since it is larger than the sum of its proper divisors (10631317).

51369755 is a wasteful number, since it uses less digits than its factorization.

51369755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59565.

The product of its digits is 141750, while the sum is 41.

The square root of 51369755 is about 7167.2697033110. The cubic root of 51369755 is about 371.7370357039.

The spelling of 51369755 in words is "fifty-one million, three hundred sixty-nine thousand, seven hundred fifty-five".