51464333 has 4 divisors (see below), whose sum is σ = 51834720. Its totient is φ = 51093948.

The previous prime is 51464327. The next prime is 51464353. The reversal of 51464333 is 33346415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51464333 - 2⁶ = 51464269 is a prime.

It is a super-2 number, since 2×51464333² = 5297155142269778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51464296 and 51464305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464323) 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, 184985 + ... + 185262.

It is an arithmetic number, because the mean of its divisors is an integer number (12958680).

Almost surely, 2^51464333 is an apocalyptic number.

It is an amenable number.

51464333 is a deficient number, since it is larger than the sum of its proper divisors (370387).

51464333 is a wasteful number, since it uses less digits than its factorization.

51464333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370386.

The product of its digits is 12960, while the sum is 29.

The square root of 51464333 is about 7173.8645791512. The cubic root of 51464333 is about 371.9650336156.

The spelling of 51464333 in words is "fifty-one million, four hundred sixty-four thousand, three hundred thirty-three".