51155314 has 12 divisors (see below), whose sum is σ = 89260974. Its totient is φ = 21923664.

The previous prime is 51155311. The next prime is 51155347. The reversal of 51155314 is 41355115.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50879689 + 275625 = 7133^2 + 525^2 .

It is not an unprimeable number, because it can be changed into a prime (51155311) 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 in 5 ways as a sum of consecutive naturals, for example, 260899 + ... + 261094.

Almost surely, 2^51155314 is an apocalyptic number.

51155314 is a deficient number, since it is larger than the sum of its proper divisors (38105660).

51155314 is a wasteful number, since it uses less digits than its factorization.

51155314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522009 (or 522002 counting only the distinct ones).

The product of its digits is 1500, while the sum is 25.

The square root of 51155314 is about 7152.2943172104. The cubic root of 51155314 is about 371.2190471006.

The spelling of 51155314 in words is "fifty-one million, one hundred fifty-five thousand, three hundred fourteen".