51340733 has 8 divisors (see below), whose sum is σ = 52690176. Its totient is φ = 49996000.

The previous prime is 51340721. The next prime is 51340741. The reversal of 51340733 is 33704315.

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 51340733 - 2¹⁰ = 51339709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51340763) 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, 34658 + ... + 36108.

It is an arithmetic number, because the mean of its divisors is an integer number (6586272).

Almost surely, 2^51340733 is an apocalyptic number.

It is an amenable number.

51340733 is a deficient number, since it is larger than the sum of its proper divisors (1349443).

51340733 is a wasteful number, since it uses less digits than its factorization.

51340733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 51340733 is about 7165.2447969347. The cubic root of 51340733 is about 371.6670166521.

The spelling of 51340733 in words is "fifty-one million, three hundred forty thousand, seven hundred thirty-three".