51345011 has 8 divisors (see below), whose sum is σ = 55508880. Its totient is φ = 47327328.

The previous prime is 51344989. The next prime is 51345013. The reversal of 51345011 is 11054315.

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

It is a de Polignac number, because none of the positive numbers 2^k-51345011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51345013) 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, 35816 + ... + 37221.

It is an arithmetic number, because the mean of its divisors is an integer number (6938610).

Almost surely, 2^51345011 is an apocalyptic number.

51345011 is a deficient number, since it is larger than the sum of its proper divisors (4163869).

51345011 is a wasteful number, since it uses less digits than its factorization.

51345011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73093.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51345011 is about 7165.5433150599. The cubic root of 51345011 is about 371.6773394975.

Adding to 51345011 its reverse (11054315), we get a palindrome (62399326).

The spelling of 51345011 in words is "fifty-one million, three hundred forty-five thousand, eleven".