51883505 has 4 divisors (see below), whose sum is σ = 62260212. Its totient is φ = 41506800.

The previous prime is 51883501. The next prime is 51883511. The reversal of 51883505 is 50538815.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 39828721 = 3472^2 + 6311^2 .

It is not a de Polignac number, because 51883505 - 2² = 51883501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51883501) 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, 5188346 + ... + 5188355.

It is an arithmetic number, because the mean of its divisors is an integer number (15565053).

Almost surely, 2^51883505 is an apocalyptic number.

It is an amenable number.

51883505 is a deficient number, since it is larger than the sum of its proper divisors (10376707).

51883505 is a wasteful number, since it uses less digits than its factorization.

51883505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376706.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 51883505 is about 7203.0205469650. The cubic root of 51883505 is about 372.9721772211.

The spelling of 51883505 in words is "fifty-one million, eight hundred eighty-three thousand, five hundred five".