51264851 has 8 divisors (see below), whose sum is σ = 56469504. Its totient is φ = 46150920.

The previous prime is 51264839. The next prime is 51264859. The reversal of 51264851 is 15846215.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51264851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51264859) 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, 21491 + ... + 23756.

It is an arithmetic number, because the mean of its divisors is an integer number (7058688).

Almost surely, 2^51264851 is an apocalyptic number.

51264851 is a deficient number, since it is larger than the sum of its proper divisors (5204653).

51264851 is a wasteful number, since it uses less digits than its factorization.

51264851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45361.

The product of its digits is 9600, while the sum is 32.

The square root of 51264851 is about 7159.9476953397. The cubic root of 51264851 is about 371.4838174586.

The spelling of 51264851 in words is "fifty-one million, two hundred sixty-four thousand, eight hundred fifty-one".