51834749 has 8 divisors (see below), whose sum is σ = 53040000. Its totient is φ = 50633856.

The previous prime is 51834721. The next prime is 51834767. The reversal of 51834749 is 94743815.

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 51834749 - 2⁸ = 51834493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51834949) 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, 40877 + ... + 42125.

It is an arithmetic number, because the mean of its divisors is an integer number (6630000).

Almost surely, 2^51834749 is an apocalyptic number.

It is an amenable number.

51834749 is a deficient number, since it is larger than the sum of its proper divisors (1205251).

51834749 is a wasteful number, since it uses less digits than its factorization.

51834749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179.

The product of its digits is 120960, while the sum is 41.

The square root of 51834749 is about 7199.6353379876. The cubic root of 51834749 is about 372.8553107231.

The spelling of 51834749 in words is "fifty-one million, eight hundred thirty-four thousand, seven hundred forty-nine".