51052331 has 8 divisors (see below), whose sum is σ = 56457264. Its totient is φ = 45774720.

The previous prime is 51052327. The next prime is 51052333. The reversal of 51052331 is 13325015.

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

It is a cyclic number.

It is not a de Polignac number, because 51052331 - 2² = 51052327 is a prime.

It is a super-2 number, since 2×51052331² = 5212681001067122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51052333) 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, 30986 + ... + 32591.

It is an arithmetic number, because the mean of its divisors is an integer number (7057158).

Almost surely, 2^51052331 is an apocalyptic number.

51052331 is a deficient number, since it is larger than the sum of its proper divisors (5404933).

51052331 is a wasteful number, since it uses less digits than its factorization.

51052331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63661.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51052331 is about 7145.0913919977. The cubic root of 51052331 is about 370.9697739849.

Adding to 51052331 its reverse (13325015), we get a palindrome (64377346).

The spelling of 51052331 in words is "fifty-one million, fifty-two thousand, three hundred thirty-one".