51880307 has 4 divisors (see below), whose sum is σ = 51937680. Its totient is φ = 51822936.

The previous prime is 51880303. The next prime is 51880319. The reversal of 51880307 is 70308815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51880307 - 2² = 51880303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51880303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27308 + ... + 29145.

It is an arithmetic number, because the mean of its divisors is an integer number (12984420).

Almost surely, 2^51880307 is an apocalyptic number.

51880307 is a deficient number, since it is larger than the sum of its proper divisors (57373).

51880307 is an equidigital number, since it uses as much as digits as its factorization.

51880307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57372.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51880307 is about 7202.7985533402. The cubic root of 51880307 is about 372.9645139665.

The spelling of 51880307 in words is "fifty-one million, eight hundred eighty thousand, three hundred seven".